{{Short description|American legislative district}} {{Use American English|date=February 2026}} {{Use mdy dates|date=August 2023}} {{Infobox California State Legislature district | district = 4 | chamber = Senate | image = {{#tag:mapframe|{{Wikipedia:Map data/California Senate District 4 (2021)}}|frameless=1 |height=300|width=300}} | population = 937,962<ref name="population">{{Cite web|url=https://wedrawthelines.ca.gov/wp-content/uploads/sites/64/2011/08/crc_20110815_5appendix_3.pdf|title=Citizens Redistricting Commission Final Report, 2011}}</ref> | population year = 2010 | voting age = 702,185<ref name="population"/> | citizen voting age = 622,033<ref name="population"/> | percent white = 65.92 | percent black = 3.78 | percent latino = 19.73 | percent asian = 6.98 | percent native american = 2.18 | percent pacific islander = 0.46 | percent other race = 0.24 | percent remainder of multiracial = 0.70<ref name="population"/> | registered = 528,784<ref>{{Cite web|url=https://elections.cdn.sos.ca.gov/ror/123day-gen-2020/assembly.pdf|title=Report of Registration as of July 3, 2020}}</ref> | Democratic = 33.88 | Republican = 37.27 | NPP = 21.38 }}
'''California's 4th senatorial district''' is one of 40 California State Senate districts. It is currently represented by Marie Alvarado-Gil of {{Representative|casd|4|fmt=residence}}.
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== District profile == The district encompasses the northeastern portion of the Central Valley, along with the central Sierra Nevada and all of Death Valley. It includes Stanislaus, Calaveras, Amador, El Dorado, Alpine, Tuolumne, Mariposa, Madera, Mono, and Inyo Counties, and parts of Madera, Merced, Placer, and Nevada Counties.
== Election results from statewide races == {| class=wikitable |- ! width="30" | Year ! width="60" | Office ! width="180" | Results |- | rowspan="2" | 2022 | Governor<ref>{{cite web |title=Supplement to the Statement of Vote November 8, 2022, General Election Counties by State Senate Districts for Governor |url=https://elections.cdn.sos.ca.gov/sov/2022-general/ssov/governor-senate.pdf |website=ca.gov |access-date=17 September 2023}}</ref> | align="right" {{party shading/Republican}} | Dahle 59.8 – 40.2% |- | Senator<ref>{{cite web |title=Supplement to the Statement of Vote November 8, 2022, General Election Counties by State Senate Districts for United States Senator (Full Term) |url=https://elections.cdn.sos.ca.gov/sov/2022-general/ssov/us-senate-by-senate-ft.pdf |website=ca.gov}}</ref> | align="right" {{party shading/Republican}} | Meuser 57.0 – 43.0% |- | 2021 | Recall | align="right" {{ya}} Yes 59.5 – 40.5% |- | rowspan="1" | 2020 | President | align="right" {{party shading/Republican}} | Trump 51.4 – 46.0% |- | rowspan="2" | 2018 | Governor<ref>{{cite web|url=https://elections.cdn.sos.ca.gov/sov/2018-general/ssov/governor-senate.pdf |title=Supplement to the Statement of Vote Counties by Senate Districts for Governor|website=ca.gov|access-date=17 September 2023}}</ref> | align="right" {{party shading/Republican}} | Cox 56.7 – 43.3% |- | Senator<ref>{{cite web|url=https://elections.cdn.sos.ca.gov/sov/2018-general/ssov/us-senate-by-senate.pdf|title=Supplement to the Statement of Vote Counties by State Senate Districts for United States Senator |website=ca.gov|access-date=17 September 2023}}</ref> | align="right" {{party shading/Democratic}} | De Leon 56.1 – 43.9% |- | rowspan="2" | 2016 | President | align="right" {{party shading/Republican}} | Trump 50.4 – 42.4% |- | Senator | align="right" {{party shading/Democratic}} | Harris 60.0 – 40.0% |- | 2014 | Governor | align="right" {{party shading/Republican}} | Kashkari 52.4 – 47.6% |- | rowspan="2" | 2012 | President | align="right" {{party shading/Republican}} | Romney 52.6 – 44.4% |- | Senator | align="right" {{party shading/Republican}} | Emken 53.3 – 46.7% |}
{| class="wikitable" style="font-size:95%;" ! colspan="3" | Election results from statewide races |- !Year !Office !Results |- | rowspan=1|2002 | Governor | align="right" {{party shading/Republican}}|Simon 57.6 - 21.5% |- | rowspan=2|2000 | President | align="right" {{party shading/Republican}}|Bush 53.0 - 42.0% |- | Senator | align="right" {{party shading/Democratic}}|Feinstein 47.3 - 44.8% |- | rowspan=2|1998 | Governor | align="right" {{party shading/Democratic}}|Davis 51.8 - 44.6% |- | Senator | align="right" {{party shading/Republican}}|Fong 56.3 - 39.5% |- | rowspan=1|1996 | President | align="right" {{party shading/Republican}}|Dole 45.1 - 43.4% |- | rowspan=2|1994 | Governor | align="right" {{party shading/Republican}}|Wilson 60.6 - 33.8% |- | Senator | align="right" {{party shading/Republican}}|Huffington 52.7 - 38.4% |- | rowspan=3|1992 | President | align="right" {{party shading/Democratic}}|Clinton 40.1 - 35.9% |- | Senator | align="right" {{party shading/Republican}}|Herschensohn 47.4 - 41.1% |- | Senator | align="right" {{party shading/Democratic}}|Feinstein 48.1 - 42.6% |}
== List of senators representing the district == Due to redistricting, the 4th district has been moved around different parts of the state. The current iteration resulted from the 2021 redistricting by the California Citizens Redistricting Commission.
{| class=wikitable style="text-align:center" |- ! Senators ! Party ! Years served ! Electoral history ! Counties represented |- |align=left|100px<br>'''Selim E. Woodworth'''<br>{{small|(Monterey)}} | {{party shading/Nonpartisan}} |Nonpartisan |January 6, 1851 – <br> January 5, 1852 |Redistricted from the Monterey district and re-elected in 1850. <br> {{data missing|date=May 2023}} |rowspan=3|Monterey, Santa Cruz |- |align=left|<br>'''Philip A. Roach'''<br>{{small|(Monterey)}} | {{party shading/Democratic}} |Democratic |January 5, 1852 – <br> January 2, 1854 |Elected in 1851. <br>{{data missing|date=May 2023}} |- |align=left|<br>'''B. C. Whiting'''<br>{{small|(Santa Cruz)}} | {{party shading/Democratic}} |Democratic |January 2, 1854 – <br> January 1, 1855 |Elected in 1853. <br>Retired to run for Attorney General. |- |align=left|100px<br>'''Sherman Day'''<br>{{small|(Berkeley)}} | {{party shading/Democratic}} |Democratic |January 1, 1855 – <br> January 5, 1857 |Elected in 1854. <br>{{data missing|date=May 2023}} |rowspan=4 | Alameda, Santa Clara |- |align=left|<br>'''Samuel B. Bell'''<br>{{small|(Alameda)}} | {{party shading/Republican}} |Republican |January 5, 1857 – <br> January 3, 1859 |Elected in 1856. <br>{{data missing|date=May 2023}} |- |align=left|<br>'''R. A. Redman'''<br>{{small|(Oakland)}} | {{party shading/Democratic}} |Democratic |January 3, 1859 – <br> January 7, 1861 |Elected in 1858. <br>{{data missing|date=May 2023}} |- |rowspan=2 align=left|100px<br>'''Augustus Rhodes'''<br>{{small|(San Jose)}} | rowspan=2 {{party shading/Republican}} |Republican |rowspan=2|January 7, 1861 – <br>January 6, 1862 |rowspan=2|Elected in 1860. <br>{{data missing|date=May 2023}} |- |Santa Clara |- |align=left|<br>'''Thomas Baker'''<br>{{small|(Tulare)}} | {{party shading/Democratic}} |Democratic |January 6, 1862 – <br> December 7, 1863 |Elected in 1861. <br>{{data missing|date=May 2023}} |Fresno, Tulare |- |align=left|<br>'''J. W. Freeman'''<br>{{small|(Bakersfield)}} | {{party shading/Democratic}} |Democratic |December 7, 1863 – <br> December 6, 1869 |Elected in 1863. <br> Re-elected in 1865. <br> Re-elected in 1867. <br>{{data missing|date=May 2023}} | rowspan="3" |Fresno, Kern, Tulare |- |align=left|<br>'''Thomas Fowler'''<br>{{small|(Visalia)}} | {{party shading/Democratic}} |Democratic |December 6, 1869 – <br> December 1, 1873 |Elected in 1868. <br> {{data missing|date=May 2023}} |- |align=left|<br>'''Tipton Lindsey'''<br>{{small|(Visalia)}} | {{party shading/Independent}} |Independent |December 1, 1873 – <br> December 6, 1875 |Elected in 1873. <br> {{data missing|date=May 2023}} |- |align=left|<br>'''W. A. Eakin'''<br>{{small|(Sonora)}} | {{party shading/Democratic}} |Democratic |December 6, 1875 – <br> December 3, 1877 |Redistricted from the 12th district and re-elected in 1875. <br> {{data missing|date=May 2023}} |Inyo, Mono, Tuolumne |- |align=left|<br>'''Thomas Fowler'''<br>{{small|(Visalia)}} | {{party shading/Democratic}} |Democratic |December 3, 1877 – <br> January 5, 1880 |Elected in 1877. <br> {{data missing|date=May 2023}} |rowspan=2|Fresno, Inyo, Kern, Mono, Tulare |- |rowspan=3 align=left|<br>'''Chester Rowell'''<br>{{small|(Fresno)}} | rowspan=3 {{party shading/Republican}} |Republican |rowspan=3|January 5, 1880 – <br> January 8, 1883 |rowspan=3|Elected in 1879. <br> {{data missing|date=May 2023}} |- |Fresno, Madera |- |Fresno |- | align=left|100px <br> '''Patrick Reddy'''<br>{{small|(Bodie)}} | {{party shading/Democratic}} |Democratic | January 8, 1883 – <br> January 3, 1887 |Elected in 1882. <br> {{data missing|date=May 2023}} |Fresno, Inyo, Kern, Mono, Tulare |- | align=left|100px <br /> '''Albert F. Jones'''<br>{{small|(Oroville)}} | {{party shading/Democratic}} |Democratic | January 3, 1887 – <br> January 5, 1891 |Elected in 1886. <br> {{data missing|date=May 2023}} | rowspan="3" |Butte |- | colspan="2" |''Vacant'' |January 5, 1891 – <br> January 20, 1891 |Senator-elect Charles L. Pond (R–Nord) <br> died of pneumonia on November 30, 1890. |- | rowspan=2 align=left|100px <br> '''Wanton A. Shippee'''<br>{{small|(Oroville)}} | rowspan=2 {{party shading/Republican}} |Republican | rowspan=2|January 20, 1891 – <br> January 2, 1899 |rowspan=2|Elected to finish vacant term. <br> Re-elected in 1894. <br> {{data missing|date=May 2023}} |- | rowspan="2" |Butte, Tehama |- | align=left|100px <br> '''W. F. Maggard'''<br>{{small|(Corning)}} | {{party shading/Republican}} |Republican | January 2, 1899 – <br> January 5, 1903 |Elected in 1888. <br> {{data missing|date=May 2023}} |- | align=left|100px <br> '''John B. Sanford'''<br>{{small|(Ukiah)}} | {{party shading/Democratic}} |Democratic | January 5, 1903 – <br> January 7, 1907 |Elected in 1902. <br> Lost re-election. | rowspan="6" |Colusa, Glenn, Lake, Mendocino |- | align=left|<br>'''C. M. Hammond'''<br>{{small|(Upper Lake)}} | {{party shading/Republican}} |Republican | January 7, 1907 – <br> January 2, 1911 |Elected in 1906. <br> {{data missing|date=May 2023}} |- | align=left|100px <br> '''John B. Sanford'''<br>{{small|(Ukiah)}} | {{party shading/Democratic}} |Democratic | January 2, 1911 – <br> January 4, 1915 |Elected in 1910. <br> {{data missing|date=May 2023}} |- | align=left|100px <br> '''Claude F. Purkitt'''<br>{{small|(Willows)}} | {{party shading/Democratic}} |Democratic | January 4, 1915 – <br> January 8, 1923 |Elected in 1914. <br> Re-elected in 1918. <br> {{data missing|date=May 2023}} |- | align=left|100px <br> '''Fred C. Handy'''<br>{{small|(Ukiah)}} | {{party shading/Republican}} |Republican | January 8, 1923 – <br> September 23, 1930 |Elected in 1922. <br> Re-elected in 1926. <br> Died. |- | colspan="2" |''Vacant'' |September 23, 1930 – <br> January 5, 1931 | |- | align=left|100px <br>'''R. R. Ingels'''<br>{{small|(Potter Valley)}} | {{party shading/Republican}} |Republican | January 5, 1931 – <br> January 7, 1935 |Elected in 1930. <br> {{data missing|date=May 2023}} | rowspan="6" |Lake, Mendocino |- | align=left|100px <br> '''George M. Biggar'''<br>{{small|(Covelo)}} | {{party shading/Republican}} |Republican | January 7, 1935 – <br> January 6, 1947 |Elected in 1934. <br> Re-elected in 1938. <br> Re-elected in 1942. <br> {{data missing|date=May 2023}} |- | align=left|100px <br> '''Burt W. Busch'''<br>{{small|(Lakeport)}} | {{party shading/Republican}} |Republican | January 6, 1947 – <br> January 3, 1955 |Elected in 1946. <br> Re-elected in 1950. <br> Retired. |- | align=left|100px<br>'''James E. Busch'''<br>{{small|(Ukiah)}} | {{party shading/Republican}} |Republican | January 3, 1955 – <br> January 5, 1959 |Elected in 1954. <br> Lost re-election. |- | align=left|<br>'''Waverly J. Slattery'''<br>{{small|(Finley)}} | {{party shading/Democratic}} |Democratic | January 5, 1959 – <br> January 7, 1963 |Elected in 1958. <br> Retired. |- | align=left|100px <br> '''Frank S. Petersen'''<br>{{small|(Fort Bragg)}} | {{party shading/Democratic}} |Democratic | January 7, 1963 – <br> January 2, 1967 |Elected in 1962. <br> Retired to become a Justice of the Del Norte County Superior Court. |- | align=left|100px <br> '''John F. McCarthy'''<br>{{small|(San Rafael)}} | {{party shading/Republican}} |Republican | January 2, 1967 – <br> January 4, 1971 |Redistricted from the 13th district and re-elected in 1966. <br> {{data missing|date=May 2023}} | rowspan="2" |Marin, Napa, Solano |- | align=left|100px <br> '''Peter H. Behr'''<br>{{small|(San Rafael)}} | {{party shading/Republican}} |Republican | January 2, 1971 – <br> November 30, 1974 |Elected in 1970. <br> Redistricted to the 2nd district. |- | align=left|100px <br> '''John F. Dunlap'''<br>{{small|(Napa)}} | {{party shading/Democratic}} |Democratic | December 2, 1974 – <br> November 30, 1978 |Redistricted from the 5th district and re-elected in 1974. <br> Lost re-election. | rowspan="2" |Napa, Sacramento, Solano, Sonoma, Yolo |- | rowspan=2 align=left|100px <br /> '''Jim Nielsen'''<br>{{small|(Woodland)}} | rowspan=2 {{party shading/Republican}} |Republican | rowspan=2|December 4, 1978 – <br> November 30, 1990 |rowspan=2|Elected in 1978. <br> Re-elected in 1982. <br> Re-elected in 1986. <br> Lost re-election. |- |Butte, Colusa, Glenn, Lake, Napa, <br> Shasta, Sonoma, Tehama, Trinity, Yolo |- | align=left|100px <br /> '''Mike Thompson'''<br>{{small|(St. Helena)}} | {{party shading/Democratic}} |Democratic | December 3, 1990 – <br> May 20, 1993 |Elected in 1990. <br> Resigned after being elected to the 2nd district. | rowspan="3" | Butte, Colusa, Glenn, Lake, Napa, Shasta, Sonoma, Tehama |- | colspan="2" |''Vacant'' |May 20, 1993 – <br> November 12, 1993 | |- | rowspan=2 align=left|100px<br>'''Maurice Johannessen'''<br>{{small|(Redding)}} | rowspan=2 {{party shading/Republican}} |Republican | rowspan=2 nowrap|November 12, 1993 – <br> November 30, 2002 |rowspan=2|Elected to finish Thompson's term. <br>Re-elected in 1994. <br> Re-elected in 1998. <br> Retired due to term limits. |- |Butte, Colusa, Glenn, Sacramento, <br> Shasta, Siskiyou, Solano, Sutter, Tehama, Trinity |- | align=left|100px <br /> '''Sam Aanestad'''<br>{{small|(Grass Valley)}} | {{party shading/Republican}} |Republican | December 2, 2002 – <br> November 30, 2010 |Elected in 2002. <br> Re-elected in 2006. <br> Retired due to term limits. | rowspan="4" |Butte, Colusa, Del Norte, Glenn, Nevada, Placer, <br> Shasta, Siskiyou, Sutter, Tehama, Trinity, Yuba |- | align=left|100px <br /> '''Doug LaMalfa'''<br>{{small|(Oroville)}} | {{party shading/Republican}} |Republican | December 6, 2010 – <br> September 1, 2012 |Elected in 2010. <br> Resigned to run for U.S. House of Representatives. |- | colspan="2" |''Vacant'' |September 1, 2012 – <br> January 10, 2013 | |- | rowspan=2 align=left|100px <br /> '''Jim Nielsen'''<br>{{small|(Red Bluff)}} | rowspan=2 {{party shading/Republican}} |Republican | rowspan=2|January 10, 2013 – <br> November 30, 2022 |rowspan=2|Elected to finish LaMalfa's term. <br> Re-elected in 2014. <br> Re-elected in 2018. <br> Redistricted to the 1st district and retired due to term limits. |- |Butte, Colusa, Glenn, Placer, Sacramento, <br> Sutter, Tehama, Yuba
|- |align=left rowspan=2|100px <br>'''Marie Alvarado-Gil'''<br>{{small|(Jackson)}} | {{party shading/Democratic}} |Democratic |December 5, 2022 – <br> August 8, 2024 |rowspan=2|Elected in 2022. | rowspan=2 | Alpine, Amador, Calaveras, El Dorado, Inyo, Madera, <br> Mariposa, Merced, Mono, Nevada, Placer, <br> Stanislaus, Tuolumne
|- <!-- cell continued from above --> |{{party shading/Republican}} |Republican |August 8, 2024 – <br>present <!-- cell continued from above --> |}
== Election results (1990-present) == {{toc top}} {{hlist|1990 |1993 (special) |1994 |1998 |2002 |2006 |2010 |2013 (special) |2014 |2018 |2022}} {{toc bottom}}
=== 2022 === {{Election box open primary begin no change | title = 2022 California State Senate 4th district election<ref>{{cite web|url=https://elections.cdn.sos.ca.gov/sov/2022-primary/sov/99-state-senator.pdf|title=June 7, 2022, Primary Election - State Senator|website=Secretary of State of California|accessdate=July 27, 2025}}</ref><ref>{{cite web|url=https://elections.cdn.sos.ca.gov/sov/2022-general/sov/60-state-senator.pdf|title=November 8, 2022, General Election - State Senator|website=Secretary of State of California|accessdate=July 27, 2025}}</ref> }} {{Election box winning candidate with party link no change | party = California Democratic Party | candidate = Tim Robertson | votes = 48,880 | percentage = 22.1 }} {{Election box winning candidate with party link no change | party = California Democratic Party | candidate = Marie Alvarado-Gil | votes = 41,262 | percentage = 18.7 }} {{Election box candidate with party link no change | party = California Republican Party | candidate = George Radanovich | votes = 37,793 | percentage = 17.1 }} {{Election box candidate with party link no change | party = California Republican Party | candidate = Steven Bailey | votes = 37,129 | percentage = 16.8 }} {{Election box candidate with party link no change | party = California Republican Party | candidate = Jeff McKay | votes = 34,773 | percentage = 15.7 }} {{Election box candidate with party link no change | party = California Republican Party | candidate = Jack Griffith | votes = 10,337 | percentage = 4.7 }} {{Election box candidate with party link no change | party = California Republican Party | candidate = Michael Gordon | votes = 6,202 | percentage = 2.8 }} {{Election box candidate with party link no change | party = California Republican Party | candidate = Jolene Daly | votes = 4,652 | percentage = 2.1 }} {{Election box total no change | votes = 221,028 | percentage = 100.0 }} {{Election box open primary general election no change}} {{Election box winning candidate with party link no change | party = California Democratic Party | candidate = Marie Alvarado-Gil | votes = 137,157 | percentage = 52.7 }} {{Election box candidate with party link no change | party = California Democratic Party | candidate = Tim Robertson | votes = 123,210 | percentage = 47.3 }} {{Election box total no change | votes = 260,367 | percentage = 100.0 }} {{Election box gain with party link no change | winner = California Democratic Party | loser = California Republican Party }} {{Election box end}}
=== 2018 === {{Election box open primary begin no change | title = 2018 California State Senate 4th district election<ref>{{cite web|url=https://elections.cdn.sos.ca.gov/sov/2018-primary/sov/101-state-senator.pdf|title=June 5, 2018, Statewide Direct Primary Election - State Senator|website=Secretary of State of California|accessdate=July 27, 2025}}</ref><ref>{{cite web|url=https://elections.cdn.sos.ca.gov/sov/2018-general/sov/62-state-senator.pdf|title=November 6, 2018, General Election - State Senator|website=Secretary of State of California|accessdate=July 27, 2025}}</ref> }} {{Election box winning candidate with party link no change | party = California Republican Party | candidate = Jim Nielsen (incumbent) | votes = 118,756 | percentage = 60.3 }} {{Election box winning candidate with party link no change | party = California Democratic Party | candidate = Phillip Kim | votes = 42,661 | percentage = 21.7 }} {{Election box candidate with party link no change | party = California Democratic Party | candidate = Michael "Mike" Worley | votes = 35,472 | percentage = 18.0 }} {{Election box total no change | votes = 192,889 | percentage = 100.0 }} {{Election box open primary general election no change}} {{Election box winning candidate with party link no change | party = California Republican Party | candidate = Jim Nielsen (incumbent) | votes = 190,441 | percentage = 57.1 }} {{Election box candidate with party link no change | party = California Democratic Party | candidate = Phillip Kim | votes = 142,817 | percentage = 42.9 }} {{Election box total no change | votes = 333,258 | percentage = 100.0 }} {{Election box hold with party link no change | winner = California Republican Party }} {{Election box end}}
=== 2014 === {{Election box open primary begin no change | title = 2014 California State Senate 4th district election<ref>{{cite web|url=https://elections.cdn.sos.ca.gov/sov/2014-primary/pdf/78-state-senator.pdf|title=June 3, 2014, Statewide Direct Primary Election - State Senator|website=Secretary of State of California|accessdate=July 27, 2025}}</ref><ref>{{cite web|url=https://elections.cdn.sos.ca.gov/sov/2014-general/pdf/58-state-senator.pdf|title=November 4, 2014, General Election - State Senator|website=Secretary of State of California|accessdate=July 27, 2025}}</ref> }} {{Election box winning candidate with party link no change | party = California Republican Party | candidate = Jim Nielsen (incumbent) | votes = 92,191 | percentage = 64.0 }} {{Election box winning candidate with party link no change | party = California Democratic Party | candidate = CJ Jawahar | votes = 51,781 | percentage = 36.0 }} {{Election box total no change | votes = 143,972 | percentage = 100.0 }} {{Election box open primary general election no change}} {{Election box winning candidate with party link no change | party = California Republican Party | candidate = Jim Nielsen (incumbent) | votes = 139,199 | percentage = 63.7 }} {{Election box candidate with party link no change | party = California Democratic Party | candidate = CJ Jawahar | votes = 79,457 | percentage = 36.3 }} {{Election box total no change | votes = 218,656 | percentage = 100.0 }} {{Election box hold with party link no change | winner = California Republican Party }} {{Election box end}}
=== 2013 (special) === {{Election box open primary begin no change | title = 2013 California State Senate 4th district special election<br />Vacancy resulting from the resignation of Doug LaMalfa<ref>{{cite web|url=https://elections.cdn.sos.ca.gov/sov/2012-general/05-sd4-official-canvass.pdf|title=Official Canvass State Senator - 4th Senate District* - Special Primary Election, November 6, 2012|website=Secretary of State of California|accessdate=July 27, 2025}}</ref><ref>{{cite web|url=https://elections.cdn.sos.ca.gov/sov/2014-primary/pdf/06-state-senator-4th-district.pdf|title=Official Canvass State Senator - 4th Senate District* - Special General Election, January 8, 2013|website=Secretary of State of California|accessdate=July 27, 2025}}</ref> }} {{Election box winning candidate with party link no change | party = California Republican Party | candidate = Jim Nielsen | votes = 188,207 | percentage = 49.8 }} {{Election box winning candidate with party link no change | party = California Democratic Party | candidate = Michael "Mickey" Harrington | votes = 104,572 | percentage = 27.7 }} {{Election box candidate with party link no change | party = California Republican Party | candidate = Dan Logue | votes = 43,303 | percentage = 11.5 }} {{Election box candidate with party link no change | party = No party preference | candidate = Jann Reed | votes = 24,966 | percentage = 6.6 }} {{Election box candidate with party link no change | party = No party preference | candidate = Dan Levine | votes = 9,882 | percentage = 2.6 }} {{Election box candidate with party link no change | party = No party preference | candidate = Benjamin "Ben" Emery | votes = 7,146 | percentage = 1.9 }} {{Election box total no change | votes = 378,076 | percentage = 100.0 }} {{Election box open primary general election no change}} {{Election box winning candidate with party link no change | party = California Republican Party | candidate = Jim Nielsen | votes = 97,849 | percentage = 66.6 }} {{Election box candidate with party link no change | party = California Democratic Party | candidate = Michael "Mickey" Harrington | votes = 49,004 | percentage = 33.4 }} {{Election box total no change | votes = 146,853 | percentage = 100.0 }} {{Election box hold with party link no change | winner = California Republican Party }} {{Election box end}}
=== 2010 === {{Election box begin no change | title = 2010 California State Senate 4th district election<ref>{{cite web|url=https://elections.cdn.sos.ca.gov/sov/2010-general/69-state-senate.pdf|title=November 2, 2010, General Election - State Senator|website=Secretary of State of California|accessdate=July 27, 2025}}</ref> }} {{Election box winning candidate with party link no change | party = California Republican Party | candidate = Doug LaMalfa | votes = 226,239 | percentage = 68.3 }} {{Election box candidate with party link no change | party = California Democratic Party | candidate = Lathe Gill | votes = 105,460 | percentage = 31.7 }} {{Election box total no change | votes = 331,699 | percentage = 100.0 }} {{Election box hold with party link no change | winner = California Republican Party }} {{Election box end}}
=== 2006 === {{Election box begin no change | title = 2006 California State Senate 4th district election<ref>{{cite web|url=https://elections.cdn.sos.ca.gov/sov/2006-general/senate_amended.pdf|title=November 7, 2006, General Election - Member of the State Senate|website=Secretary of State of California|accessdate=July 27, 2025}}</ref> }} {{Election box winning candidate with party link no change | party = California Republican Party | candidate = Sam Aanestad (incumbent) | votes = 182,494 | percentage = 61.0 }} {{Election box candidate with party link no change | party = California Democratic Party | candidate = Paul R. Singh | votes = 99,293 | percentage = 33.1 }} {{Election box candidate with party link no change | party = Libertarian Party of California | candidate = Tony Munroe | votes = 9,300 | percentage = 3.1 }} {{Election box candidate with party link no change | party = Green Party of California | candidate = Robert Wells Vizzard | votes = 8,520 | percentage = 2.8 }} {{Election box total no change | votes = 299,607 | percentage = 100.0 }} {{Election box hold with party link no change | winner = California Republican Party }} {{Election box end}}
=== 2002 === {{Election box begin no change | title = 2002 California State Senate 4th district election<ref>{{cite web|url=https://elections.cdn.sos.ca.gov/sov/2002-general/state-senate.pdf|title=November 5, 2002, General Election - State Senator|website=Secretary of State of California|accessdate=July 27, 2025}}</ref> }} {{Election box winning candidate with party link no change | party = California Republican Party | candidate = Sam Aanestad | votes = 148,023 | percentage = 58.1 }} {{Election box candidate with party link no change | party = California Democratic Party | candidate = Marianne Smith | votes = 92,786 | percentage = 36.3 }} {{Election box candidate with party link no change | party = Libertarian Party of California | candidate = Robert H. Underwood | votes = 14,325 | percentage = 5.6 }} {{Election box total no change | votes = 255,134 | percentage = 100.0 }} {{Election box hold with party link no change | winner = California Republican Party }} {{Election box end}}
=== 1998 === {{Election box begin no change | title = 1998 California State Senate 4th district election<ref>{{cite web|url=https://elections.cdn.sos.ca.gov/sov/1998-general/sov35-37.pdf|title=November 3, 1998, General Election - State Senator|website=Secretary of State of California|accessdate=December 29, 2025}}</ref> }} {{Election box winning candidate with party link no change | party = California Republican Party | candidate = Maurice Johannessen (incumbent) | votes = 135,528 | percentage = 56.7 }} {{Election box candidate with party link no change | party = California Democratic Party | candidate = Mark Desio | votes = 103,620 | percentage = 43.3 }} {{Election box total no change | votes = 239,148 | percentage = 100.0 }} {{Election box hold with party link no change | winner = California Republican Party }} {{Election box end}}
=== 1994 === {{Election box begin no change | title = 1994 California State Senate 4th district election<ref>{{cite web|url=https://elections.cdn.sos.ca.gov/sov/1994-general/state-senator.pdf|title=November 8, 1994, General Election - State Senator|website=Secretary of State of California|accessdate=July 27, 2025}}</ref> }} {{Election box winning candidate with party link no change | party = California Republican Party | candidate = Maurice Johannessen (incumbent) | votes = 133,101 | percentage = 54.4 }} {{Election box candidate with party link no change | party = California Democratic Party | candidate = Michael H. McGowan | votes = 111,667 | percentage = 45.6 }} {{Election box total no change | votes = 244,768 | percentage = 100.0 }} {{Election box hold with party link without swing | winner = California Republican Party }} {{Election box end}}
=== 1993 (special) === {{Election box begin no change | title = 1993 California State Senate 4th district special election<br />Vacancy resulting from the resignation of Mike Thompson<ref>{{cite web|url=https://elections.cdn.sos.ca.gov/sov/1994-primary/special-election-results.pdf|title=Special Election Results|website=Secretary of State of California|accessdate=July 27, 2025}}</ref> }} {{Election box winning candidate with party link no change | party = California Republican Party | candidate = Maurice Johannessen | votes = 108,982 | percentage = 55.7 }} {{Election box candidate with party link no change | party = California Democratic Party | candidate = Montana Podva | votes = 76,509 | percentage = 39.1 }} {{Election box candidate with party link no change | party = Peace and Freedom Party | candidate = Irv Sutley | votes = 10,051 | percentage = 5.1 }} {{Election box total no change | votes = 195,542 | percentage = 100.0 }} {{Election box gain with party link no change | winner = California Republican Party | loser = California Democratic Party }} {{Election box end}}
=== 1990 === {{Election box begin no change | title = 1990 California State Senate 4th district election<ref>{{cite web|url=https://elections.cdn.sos.ca.gov/sov/1990-general/state-senator.pdf|title=November 6, 1990, General Election - State Senator|website=Secretary of State of California|accessdate=July 27, 2025}}</ref> }} {{Election box winning candidate with party link no change | party = California Democratic Party | candidate = Mike Thompson | votes = 125,573 | percentage = 47.7 }} {{Election box candidate with party link no change | party = California Republican Party | candidate = Jim Nelson (incumbent) | votes = 123,066 | percentage = 46.7 }} {{Election box candidate with party link no change | party = Libertarian Party of California | candidate = Juanita A. Henricks | votes = 9,398 | percentage = 3.6 }} {{Election box candidate with party link no change | party = Peace and Freedom Party | candidate = Irv Sutley | votes = 5,381 | percentage = 2.0 }} {{Election box total no change | votes = 263,418 | percentage = 100.0 }} {{Election box gain with party link no change | winner = California Democratic Party | loser = California Republican Party }} {{Election box end}}
== See also == *California State Senate *California State Senate districts *Districts in California
== References == <references />
== External links == * [https://wedrawthelines.ca.gov/wp-content/uploads/sites/64/2011/08/map_20110815_ap_sd_4_certified.pdf District map] from the California Citizens Redistricting Commission
{{CAGovtDist}} {{California}}
{{DEFAULTSORT:California's 4th State Senate District}} 04 Category:Sacramento Valley Category:Government of Butte County, California Category:Government of Colusa County, California Category:Government of Glenn County, California Category:Government of Placer County, California Category:Government of Sacramento County, California Category:Government of Sutter County, California Category:Government of Tehama County, California Category:Government of Yuba County, California Category:Carmichael, California Category:Chico, California Category:Citrus Heights, California Category:Colusa, California Category:Gridley, California Category:Marysville, California Category:Oroville, California Category:Paradise, California Category:Rancho Cordova, California Category:Red Bluff, California Category:Roseville, California Category:Yuba City, California Category:Willows, California