{{Short description|U.S. House district for Texas}} {{Use American English|date=November 2025}} {{use mdy dates|date=May 2021}} {{disambig-acronym|TX-21|Texas State Highway 21}} {{Distinguish|Texas's 21st House of Representatives district}} {{Infobox U.S. congressional district |state = Texas |district number = 21 |image name = {{switcher |{{maplink|frame=yes|plain=yes|from=Texas's 21st congressional district (2023–).map|frame-height=300|frame-width=400|zoom=7|overlay-horizontal-alignment=right|overlay-vertical-alignment=bottom|overlay=100px}} |From 2023 to 2027, starting with the 2022 elections |{{maplink|frame=yes|plain=yes|from=Texas's 21st congressional district (2027–).map|frame-height=300|frame-width=400|zoom=7|overlay-horizontal-alignment=right|overlay-vertical-alignment=bottom|overlay=100px}} |From 2027, starting with the 2026 elections }} |image caption = Interactive map of district boundaries |representative = Chip Roy |party = Republican |residence = Dripping Springs |english area = |metric area = |distribution ref=<ref>{{cite web|url=https://www.census.gov/geo/maps-data/data/cd_state.html|website=www.census.gov|title=Congressional Districts Relationship Files (State-based)|access-date=February 8, 2018}}</ref> |percent urban = 78.15 |percent rural = 21.85 |population = 846,025<ref name="Census_24">{{cite web|url=https://www.census.gov/mycd/?st=48&cd=21|website=www.census.gov|title=My Congressional District|access-date=September 14, 2025}}</ref> |population year = 2024 |median income = $100,260<ref name="Census_24"/> |percent white = 58.9 |percent black = 3.4 |percent asian = 2.6 |percent more than one race = 3.6 |percent hispanic = 30.7 |percent other race = 0.8 |percent blue collar = |percent white collar = |percent gray collar = |cpvi = R+11<ref name=Cook>{{Cite web|title=2025 Cook PVI℠: District Map and List (119th Congress)|url=https://www.cookpolitical.com/cook-pvi/2025-partisan-voting-index/district-map-and-list|access-date=2025-04-05|website=Cook Political Report|date=April 3, 2025 |language=en}}</ref> }} '''Texas's 21st congressional district''' of the United States House of Representatives serves the area north of San Antonio and a significant portion of Austin in the state of Texas. Towns entirely or partially in this district include Boerne, Fredericksburg, Ingram, Kerrville, Kyle, New Braunfels, and San Marcos. The current Representative from the 21st district is Chip Roy.
The district was created in 1934, and has always been anchored in the Texas Hill Country and northern San Antonio. However, until the early 1980s, it stretched for some distance into West Texas, as far as Big Bend National Park. It began shifting away from its Yellow Dog Democrat roots in the late 1960s, though it took until 1978 for a Republican to win it. The GOP has held it ever since, in large part due to the increased growth of the San Antonio suburbs. The district was pushed into the Austin area in the 1980 census; until the 2000s it included fast-growing Round Rock.
== Recent election results from statewide races == === 2023–2027 boundaries === {| class=wikitable ! Year ! Office ! Results<ref>{{cite web | title=Dra 2020 | url=https://davesredistricting.org/maps#viewmap::1c2c1e0d-2fd1-43a8-a039-73e7023124d1 }}</ref> |- ||2008 | President | align="right" {{party shading/Republican}}|McCain 65% - 35% |- ||2012 | President | align="right" {{party shading/Republican}}|Romney 69% - 31% |- |rowspan=2|2014 | Senate | align="right" {{party shading/Republican}}|Cornyn 74% - 26% |- | Governor | align="right" {{party shading/Republican}}|Abbott 69% - 31% |- ||2016 | President | align="right" {{party shading/Republican}}|Trump 61% - 33% |- |rowspan=5|2018 | Senate | align="right" {{party shading/Republican}}|Cruz 60% - 39% |- | Governor | align="right" {{party shading/Republican}}|Abbott 65% - 33% |- | Lt. Governor | align="right" {{party shading/Republican}}|Patrick 60% - 37% |- | Attorney General | align="right" {{party shading/Republican}}|Paxton 59% - 38% |- | Comptroller of Public Accounts | align="right" {{party shading/Republican}}|Hegar 63% - 33% |- |rowspan=2|2020 | President | align="right" {{party shading/Republican}}|Trump 59% - 39% |- | Senate | align="right" {{party shading/Republican}}|Cornyn 62% - 36% |- |rowspan=4|2022 | Governor | align="right" {{party shading/Republican}}|Abbott 61% - 38% |- | Lt. Governor | align="right" {{party shading/Republican}}|Patrick 60% - 37% |- | Attorney General | align="right" {{party shading/Republican}}|Paxton 59% - 38% |- | Comptroller of Public Accounts | align="right" {{party shading/Republican}}|Hegar 63% - 34% |- |rowspan=2|2024 | President | align="right" {{party shading/Republican}}|Trump 61% - 38% |- | Senate | align="right" {{party shading/Republican}}|Cruz 59% - 39% |}
=== 2027–2033 boundaries === {| class=wikitable ! Year ! Office ! Results<ref>{{Cite web | title=DRA 2020 | url=https://davesredistricting.org/maps#viewmap::1ea6b752-99fa-4bbb-8c4e-3110234ac5e6 | access-date=2025-09-17 | website=davesredistricting.org}}</ref> |- ||2008 | President | align="right" {{party shading/Republican}}|McCain 63% - 36% |- ||2012 | President | align="right" {{party shading/Republican}}|Romney 67% - 33% |- |rowspan=2|2014 | Senate | align="right" {{party shading/Republican}}|Cornyn 73% - 27% |- | Governor | align="right" {{party shading/Republican}}|Abbott 68% - 32% |- ||2016 | President | align="right" {{party shading/Republican}}|Trump 59% - 35% |- |rowspan=5|2018 | Senate | align="right" {{party shading/Republican}}|Cruz 57% - 42% |- | Governor | align="right" {{party shading/Republican}}|Abbott 63% - 36% |- | Lt. Governor | align="right" {{party shading/Republican}}|Patrick 58% - 39% |- | Attorney General | align="right" {{party shading/Republican}}|Paxton 57% - 40% |- | Comptroller of Public Accounts | align="right" {{party shading/Republican}}|Hegar 60% - 36% |- |rowspan=2|2020 | President | align="right" {{party shading/Republican}}|Trump 58% - 41% |- | Senate | align="right" {{party shading/Republican}}|Cornyn 60% - 38% |- |rowspan=4|2022 | Governor | align="right" {{party shading/Republican}}|Abbott 60% - 39% |- | Lt. Governor | align="right" {{party shading/Republican}}|Patrick 59% - 38% |- | Attorney General | align="right" {{party shading/Republican}}|Paxton 58% - 39% |- | Comptroller of Public Accounts | align="right" {{party shading/Republican}}|Hegar 62% - 36% |- |rowspan=2|2024 | President | align="right" {{party shading/Republican}}|Trump 60% - 38% |- | Senate | align="right" {{party shading/Republican}}|Cruz 58% - 40% |}
== Current composition == For the 118th and successive Congresses (based on redistricting following the 2020 census), the district contains all or portions of the following counties and communities:<ref>[https://www2.census.gov/geo/maps/cong_dist/cd118/cd_based/ST48/CD118_TX01.pdf https://www2.census.gov/geo/maps/cong_dist/cd118/cd_based/ST48/CD118_TX21.pdf]</ref>
'''Bandera''' '''County''' '''(3)'''
: All 3 communities
'''Bexar''' '''County''' '''(8)'''
: Alamo Heights, Castle Hills, Hill Country Village, Hollywood Park, Olmos Park (part; also 35th), San Antonio (part; also 20th, 23rd, 28th, 35th; shared with Comal and Medina counties), Terrell Hills, Windcrest
'''Blanco''' '''County''' '''(3)'''
: All 3 communities
'''Comal''' '''County''' '''(8)'''
: Bulverde, Canyon Lake, Fair Oaks Ranch (part; also 23rd; shared with Bexar and Kendall counties), Garden Ridge, New Braunfels (part; also 15th, 28th, and 35th; shared with Guadalupe County), San Antonio (part; also 20th, 23rd, 28th, 35th; shared with Bexar and Medina counties), Schertz (part; also 28th and 35th; shared with Bexar and Guadalupe counties), Spring Branch
'''Gillespie''' '''County''' '''(3)'''
: All 3 communities
'''Hays''' '''County''' '''(12)'''
: Austin (part; also 10th, 35th, and 37th; shared with Travis and Williamson counties), Bear Creek, Belterra, Buda (part; also 35th), Driftwood, Dripping Springs, Hays, Kyle (part; also 35th), Mountain City, San Marcos (part; also 27th and 35th; shared with Caldwell and Guadalupe counties), Wimberley, Woodcreek
'''Kendall''' '''County''' '''(3)'''
: All 3 communities
'''Kerr''' '''County''' '''(3)'''
: All 3 communities
'''Real''' '''County''' '''(2)'''
'''Travis''' '''County''' '''(2)'''
: Austin (part; also 10th, 35th, and 37th; shared with Hays and Williamson counties), Barton Creek
== Future composition == Beginning with the 2026 election, the 21st district will consist of the following counties:
* Bandera * Bexar (part) * Blanco * Comal * Gillespie * Hays (part) * Kendall * Kerr * Real
== List of members representing the district == {| class=wikitable style="text-align:center"
|- style="height:3em" ! Member ! Party ! Years ! Cong<br/>ress ! Electoral history
|- style="height:3em" | colspan=5 | District established January 3, 1935
|- style="height:3em" | align=left |100px<br/>'''Charles L. South'''<br>{{Small|(Coleman)}} | {{party shading/Democratic}} | Democratic | nowrap | January 3, 1935 –<br/>January 3, 1943 | {{USCongressOrdinal|74|77}} | Elected in 1934.<br/>Re-elected in 1936.<br/>Re-elected in 1938.<br/>Re-elected in 1940.<br/>{{Data missing<!--start+end-->|date=February 2020}}
|- style="height:3em" | align=left | 100px<br/>'''O. C. Fisher'''<br>{{Small|(San Angelo)}} | {{party shading/Democratic}} | Democratic | nowrap | January 3, 1943 –<br/>December 31, 1974 | {{USCongressOrdinal|78|93}} | Elected in 1942.<br/>Re-elected in 1944.<br/>Re-elected in 1946.<br/>Re-elected in 1948.<br/>Re-elected in 1950.<br/>Re-elected in 1952.<br/>Re-elected in 1954.<br/>Re-elected in 1956.<br/>Re-elected in 1958.<br/>Re-elected in 1960.<br/>Re-elected in 1962.<br/>Re-elected in 1964.<br/>Re-elected in 1966.<br/>Re-elected in 1968.<br/>Re-elected in 1970.<br/>Re-elected in 1972.<br/>Retired.
|- style="height:3em" | colspan=2 | ''Vacant'' | nowrap | December 31, 1974 –<br/>January 3, 1975 | {{USCongressOrdinal|93}} |
|- style="height:3em" | align=left | 100px<br/>'''Bob Krueger'''<br>{{Small|(New Braunfels)}} | {{party shading/Democratic}} | Democratic | nowrap | January 3, 1975 –<br/>January 3, 1979 | {{USCongressOrdinal|94|95}} | Elected in 1974.<br/>Re-elected in 1976.<br/>Retired to run for U.S. Senator.
|- style="height:3em" | align=left | 100px<br/>'''Tom Loeffler'''<br>{{Small|(Hunt)}} | {{party shading/Republican}} | Republican | nowrap | January 3, 1979 –<br/>January 3, 1987 | {{USCongressOrdinal|96|99}} | Elected in 1978.<br/>Re-elected in 1980.<br/>Re-elected in 1982.<br/>Re-elected in 1984.<br/>{{Data missing<!--start+end-->|date=February 2020}}
|- style="height:3em" | align=left | 100px<br/>'''Lamar Smith'''<br>{{Small|(San Antonio)}} | {{party shading/Republican}} | Republican | nowrap | January 3, 1987 –<br/>January 3, 2019 | {{USCongressOrdinal|100|115}} | Elected in 1986.<br/>Re-elected in 1988.<br/>Re-elected in 1990.<br/>Re-elected in 1992.<br/>Re-elected in 1994.<br/>Re-elected in 1996.<br/>Re-elected in 1998.<br/>Re-elected in 2000.<br/>Re-elected in 2002.<br/>Re-elected in 2004.<br/>Re-elected in 2006.<br/>Re-elected in 2008.<br/>Re-elected in 2010.<br/>Re-elected in 2012.<br/>Re-elected in 2014.<br/>Re-elected in 2016.<br/>Retired.
|- style="height:3em" | align=left | 100px<br/>'''Chip Roy'''<br>{{Small|(Austin)}} | {{party shading/Republican}} | Republican | nowrap | January 3, 2019 –<br/>present | {{USCongressOrdinal|116|119}} | Elected in 2018.<br/>Re-elected in 2020.<br />Re-elected in 2022.<br />Re-elected in 2024.<br />Retiring to run for Attorney General.
|}
== Recent election results ==
{{Election box begin | title= 2004 United States House of Representatives elections in Texas, District 21 }} {{Election box winning candidate with party link | party = Republican Party (US) | candidate = Lamar Smith (incumbent) | votes = 209,774 | percentage = 61.5% | change = -11.4% }} {{Election box candidate with party link | party = Democratic Party (US) | candidate = Rhett Smith | votes = 121,129 | percentage = 35.5% | change = +10.2% }} {{Election box candidate with party link | party = Libertarian Party (US) | candidate = Jason Pratt | votes = 10,216 | percentage = 3.0% | change = +1.1% }} {{Election box majority | votes = 88,645 | percentage = 26.0% | change = }} {{Election box turnout | votes = 341,119 | percentage = | change = }} {{Election box hold with party link | winner = Republican Party (US) | swing = -10.8% }} {{Election box end}}
===2006=== In the case of ''League of United Latin American Citizens v. Perry'', 548 U. S. 399 (2006), the U.S. Supreme Court ruled that the configuration of Texas' 15th, 21st, 23rd, 25th and 28th congressional districts as drawn by the Texas Legislature violated the National Voting Rights Act of 1965. Replacement district boundaries for the 2006 election were subsequently issued for the five districts by the local federal district court, and on election day in November, these five districts had open primaries, with candidates being elected for receiving over 50 percent of the vote. Runoff elections were held in December to decide elections in which no candidate gained an absolute majority in November.<ref>[http://webarchive.loc.gov/all/20080919061249/http://www.statesman.com/news/content/gen/ap/TX_Redistricting_Texas.html Austin American-Statesman] accessed 4 August 2006; link broken 18 October 2006</ref>
In the 2006 election, Lamar Smith defeated veteran and college administrator John Courage with 60% of the vote.
{{Election box begin | title= 2006 United States House of Representatives elections in Texas, District 21 }} {{Election box winning candidate with party link | party = Republican Party (US) | candidate = Lamar Smith (incumbent) | votes = 122,486 | percentage = 60.1% | change = -1.4% }} {{Election box candidate with party link | party = Democratic Party (US) | candidate = John Courage | votes = 49,957 | percentage = 24.51% | change = -10.99% }} {{Election box candidate with party link | party = Democratic Party (US) | candidate = Gene Kelly | votes = 18,355 | percentage = 9% | change = }} {{Election box candidate with party link | party = Independent | candidate = Tommy Ray Calvert Jr | votes = 5,280 | percentage = 2.59% | change = }} {{Election box candidate with party link | party = Libertarian Party (US) | candidate = James Arthur Strohm | votes = 4,076 | percentage = 2.0% | change = -1.0% }} {{Election box candidate with party link | party = Independent | candidate = James Lyle Peterson | votes = 2,189 | percentage = 1.07% | change = }} {{Election box candidate with party link | party = Independent | candidate = Mark J. Rossano | votes = 1,439 | percentage = 0.7% | change = }} {{Election box majority | votes = | percentage = | change = }} {{Election box turnout | votes = 203,782 | percentage = | change = }} {{Election box hold with party link | winner = Republican Party (US) | swing = }} {{Election box end}}
===2008=== {{Election box begin | title= 2008 United States House of Representatives elections in Texas, District 21 }} {{Election box winning candidate with party link | party = Republican Party (US) | candidate = Lamar Smith (incumbent) | votes = 243,471 | percentage = 79.99% | change = +19.89% }} {{Election box candidate with party link | party = Libertarian Party (US) | candidate = James Arthur Strohm | votes = 60,879 | percentage = 20% | change = +18% }} {{Election box majority | votes = 182,592 | percentage = | change = }} {{Election box turnout | votes = 304,350 | percentage = | change = }} {{Election box hold with party link | winner = Republican Party (US) | swing = }} {{Election box end}}
===2010=== In the 2010 election, Lamar Smith defeated Lainey Melnick with 68.9 percent of the vote. Melnick, an Austin real estate broker, officially filed papers with the Federal Election Commission on June 23, 2009 to become a candidate.
{{Election box begin | title= 2010 United States House of Representatives elections in Texas, District 21 }} {{Election box winning candidate with party link | party = Republican Party (US) | candidate = Lamar Smith (incumbent) | votes = 169,924 | percentage = 68.9 | change = -11.09% }} {{Election box candidate with party link | party = Democratic Party (US) | candidate = Lainey Melnick | votes = 65,834 | percentage = 27.9 | change = +3.39% }} {{Election box candidate with party link | party = Libertarian Party (US) | candidate = James Arthur Strohm | votes = 7,687 | percentage = 3.3 | change = -16.7% }} {{Election box majority | votes = 96929 | percentage = | change = }} {{Election box turnout | votes = 236,284 | percentage = | change = }} {{Election box hold with party link | winner = Republican Party (US) | swing = }} {{Election box end}}
===2012=== Incumbent Lamar Smith faced five challengers in the 2012 general election on November 6, 2012: Candace Duval (Dem), John-Henry Liberty (Lib), Fidel Castillo (Grn), Bill Stout (Grn), and Carlos Pena (Ind). <ref>{{cite web|url=http://ballotpedia.org/wiki/index.php/Texas%27_21st_congressional_district_elections,_2012|title=Texas' 21st Congressional District elections, 2012|website=ballotpedia.org|access-date=September 14, 2012}}</ref>
{{Election box begin no change | title = 2012 United States House of Representatives elections in Texas, District 21 }} {{Election box winning candidate with party link no change | candidate = Lamar Smith (Incumbent) | party = Republican Party (US) | votes = 187,015 | percentage = 60.5 }} {{Election box candidate with party link no change | candidate = Candace E. Duval | party = Democratic Party (US) | votes = 109,326 | percentage = 35.4 }} {{Election box candidate with party link no change | candidate = John-Henry Liberty | party = Libertarian Party (US) | votes = 12,524 | percentage = 4.0 }} {{Election box total no change | votes = 308,865 | percentage = 100.0 }} {{Election box hold with party link no change | winner = Republican Party (United States) }} {{Election box end}}
=== 2014 === {{Election box begin no change | title = 2014 United States House of Representatives elections in Texas, District 21 }} {{Election box winning candidate with party link no change | candidate = Lamar Smith (Incumbent) | party = Republican Party (US) | votes = 135,513 | percentage = 71.8 }} {{Election box candidate with party link no change | candidate = Ryan Shields | party = Libertarian Party (US) | votes = 25,483 | percentage = 13.5 }} {{Election box candidate with party link no change | candidate = Antonio Diaz | party = Green Party (US) | votes = 27,782 | percentage = 14.7 }} {{Election box total no change | votes = 188,778 | percentage = 100.0 }} {{Election box hold with party link no change | winner = Republican Party (United States) }} {{Election box end}}
=== 2016 === {{Election box begin no change | title = 2016 United States House of Representatives elections in Texas, District 21 }} {{Election box winning candidate with party link no change | candidate = Lamar Smith (Incumbent) | party = Republican Party (US) | votes = 202,523 | percentage = 57.0 }} {{Election box candidate with party link no change | candidate = Tom Wakely | party = Democratic Party (US) | votes = 129,253 | percentage = 36.4 }} {{Election box candidate with party link no change | candidate = Mark Loewe | party = Libertarian Party (US) | votes = 14,698 | percentage = 4.1 }} {{Election box candidate with party link no change | candidate = Tony Diaz | party = Green Party (US) | votes = 8,520 | percentage = 2.4 }} {{Election box total no change | votes = 354,994 | percentage = 100.0 }} {{Election box hold with party link no change | winner = Republican Party (United States) }} {{Election box end}}
===2018=== Lamar Smith did not run for reelection in 2018.<ref>{{cite news|url=https://www.politico.com/story/2017/11/02/lamar-smith-wont-seek-reelection-to-house-244477|title=Lamar Smith won't seek reelection to House|work=Politico |author1=Dixon, Darius |date=November 2, 2017 |access-date=January 30, 2018}}</ref>
On the Republican side, 18 candidates competed in the March 6 primary, in which no one received a majority. The first- and second-place finishers were, respectively, attorney Chip Roy, who served as chief of staff to Sen. Ted Cruz (R-Tex.) and senior advisor to Texas Gov. Rick Perry (R),<ref>{{cite web|url=https://www.politico.com/magazine/story/2018/10/23/chip-roy-house-freedom-caucus-221737/|title=Meet the Next Ted Cruz|website=Politico|author1= Alberta, Tim |date=October 23, 2018}}</ref> and Matt McCall, owner of a business providing human tissue for American military hospitals. Roy and McCall advanced to a May 22 runoff, which Roy won with 52.7% of the vote.<ref name="Kopser">{{cite news |url=https://www.statesman.com/NEWS/20180523/Joseph-Kopser-to-face-Chip-Roy-in-21st-Congressional-District-matchup|title=Joseph Kopser to face Chip Roy in 21st Congressional District matchup |work=Statesman |publisher=USA Today Network |date=23 May 2018|author1=Price, Asher}}</ref>
On the Democratic side, four candidates ran to replace Smith: Joseph Kopser, entrepreneur and Army veteran; Derrick Crowe, activist; Elliott McFadden, executive director of Austin B-cycle; and Mary Street Wilson, pastor.<ref>{{cite web|url=https://apps.texastribune.org/2018-texas-primary-candidates/|title=Who's on the Texas primary ballots in 2018?|date=January 24, 2018|website=apps.texastribune.org|access-date=January 30, 2018}}</ref> No one received a majority in the March 6 primary,<ref>{{cite web|url=https://www.sos.state.tx.us/elections/voter/2018-important-election-dates.shtml|title=Important 2018 Election dates|website=www.sos.state.tx.us|access-date=January 30, 2018}}</ref> so the top two finishers, Wilson and Kopser, advanced to a runoff on May 22. Kopser flipped the primary result in the runoff against Wilson, winning the nomination with 58% of the vote.<ref>{{cite web|url=https://www.nytimes.com/elections/results/texas-house-district-21-primary-runoff-election|title=Texas Primary Runoff Election Results: 21st House District|work=The New York Times|date=May 29, 2018 |access-date=July 26, 2018}}</ref>
{{Election box begin no change | title = 2018 United States House of Representatives elections in Texas, District 21 }} {{Election box winning candidate with party link no change | candidate = Chip Roy | party = Republican Party (US) | votes = 176,913 | percentage = 50.3 }} {{Election box candidate with party link no change | candidate = Joseph Kopser | party = Democratic Party (US) | votes = 167,020 | percentage = 47.5 }} {{Election box candidate with party link no change | candidate = Lee Santos | party = Libertarian Party (US) | votes = 7,497 | percentage = 2.1 }} {{Election box total no change | votes = 351,430 | percentage = 100.0 }} {{Election box hold with party link no change | winner = Republican Party (United States) }} {{Election box end}}
===2020=== The incumbent, Chip Roy, was unopposed for the Republican nomination. Former state Senator Wendy Davis won the Democratic primary runoff.<ref name=Davis>{{cite web|title=The latest fundraising ahead of the next huge primary night|url=https://www.politico.com/newsletters/morning-score/2020/06/12/the-latest-fundraising-ahead-of-the-next-huge-primary-night-788473|website=Politico|date=June 12, 2020|access-date=August 28, 2020}}</ref> Tom Wakely was nominated by the Green Party caucus. The state Supreme Court allowed his inclusion after Wendy Davis tried unsuccessfully to have him removed from the ballot.<ref>[https://www.houstonchronicle.com/news/article/Texas-court-allows-Green-Party-candidates-on-the-15569764.php Texas court allows Green Party candidates on the ballot ], ''Express News'', Gilbert Garcia, August 21, 2020. Retrieved August 28, 2020.</ref> Perennial candidate Arthur DiBianca was the Libertarian nominee;<ref>[https://ballotpedia.org/Arthur_DiBianca Arthur DiBianca], ''Ballotpedia''. Retrieved August 28, 2020,</ref> a last-minute lawsuit by Republicans to block DiBianca and 43 other Libertarian Party candidates from the ballot failed.<ref>Sami Sparber, [https://www.texastribune.org/2020/09/05/Republicans-libertarians-ballot-remove/ Texas Supreme Court rejects Republicans' attempt to remove 44 Libertarians from the November ballot], ''Texas Tribune'' (September 5, 2020).</ref><ref>''[https://scholar.google.com/scholar_case?case=33406053521245996 In re Texas House Republican Caucus PAC]'', 630 S.W.3d 28 (Tex. 2020).</ref>
====Primary results==== {{Election box begin no change | title = Democratic primary results <ref name=Davis /> }} {{Election box winning candidate with party link no change | candidate = Wendy Davis | party = Democratic Party (United States) | votes = 84,593 | percentage = 86.3 }} {{Election box candidate with party link no change | candidate = Jennie Lou Leeder | party = Democratic Party (United States) | votes = 13,485 | percentage = 13.7
}} {{Election box total no change | votes = 98,078 | percentage = 100.0 }} {{Election box end}}
====General election====
{{Election box begin no change | title = Texas's 21st congressional district, 2020<ref name="TXgenr">{{cite web |title=Texas Election Results - Official Results |url=https://results.texas-election.com/races |website=Texas Secretary of State |access-date=November 26, 2020}}</ref> }} {{Election box winning candidate with party link no change | candidate = Chip Roy (incumbent) | party = Republican Party (United States) | votes = 235,740 | percentage = 52.0 }} {{Election box candidate with party link no change | candidate = Wendy Davis | party = Democratic Party (United States) | votes = 205,780 | percentage = 45.3 }} {{Election box candidate with party link no change | candidate = Arthur DiBlanca | party = Libertarian Party (United States) | votes = 8,666 | percentage = 1.9 }} {{Election box candidate with party link no change | candidate = Tom Wakely | party = Green Party (United States) | votes = 3,564 | percentage = 0.8 }} {{Election box total no change | votes = 453,750 | percentage = 100.0 }} {{Election box hold with party link no change | winner = Republican Party (United States) }} {{Election box end}}
=== 2022 === {{Election box begin no change | title = 2022 United States House of Representatives elections in Texas, District 21 }} {{Election box winning candidate with party link no change | candidate = Chip Roy (incumbent) | party = Republican Party (United States) | votes = 207,426 | percentage = 62.8 }} {{Election box candidate with party link no change | candidate = Claudia Zapata | party = Democratic Party (United States) | votes = 122,655 | percentage = 37.1 }} {{Election box total no change | votes = 330,081 | percentage = 100.0 }} {{Election box hold with party link no change | winner = Republican Party (United States) }} {{Election box end}}
===2024=== The incumbent, Chip Roy (R, Dripping Springs), an attorney, ran unopposed and was nominated in the March 5, 2024 Republican primary.<ref>{{cite web | title=Final results: 2024 Texas primary elections | date=March 6, 2024 | url=https://www.tpr.org/government-politics/2024-03-05/live-2024-san-antonio-primary-election-results }}</ref> Dr. Kristin Hook (D, San Antonio), a biologist formerly employed as a biologist by US Government Accountability Office, ran unopposed and was nominated in the March 5, 2024 Democratic primary.<ref>{{cite web | title=Final results: 2024 Texas primary elections | date=March 6, 2024 | url=https://www.tpr.org/government-politics/2024-03-05/live-2024-san-antonio-primary-election-results }}</ref> Bob King (L, New Braunfels), a retired energy finance executive and nonprofit leader, ran unopposed and was nominated at the Libertarian district convention on March 23, 2024.<ref>{{cite web | title=Libertarian Party of Texas | url=https://www.lptexas.org/2024_candidates }}</ref>
{{Election box begin no change | title = 2024 United States House of Representatives elections in Texas, District 21 }} {{Election box winning candidate with party link no change | candidate = Chip Roy (incumbent) | party = Republican Party (United States) | votes = 263002 | percentage = 61.9 }} {{Election box candidate with party link no change | candidate = Kristin Hook | party = Democratic Party (United States) | votes = 152900 | percentage = 36.0 }} {{Election box candidate with party link no change | candidate = Bob King | party = Libertarian Party (United States) | votes = 8861 | percentage = 2.1 }} {{Election box total no change | votes = 424763 | percentage = 100.0 }} {{Election box hold with party link no change | winner = Republican Party (United States) }} {{Election box end}}
==Historical district boundaries== thumb|left|{{center|'''2005–2007'''}} thumb|left|{{center|'''2007–2013'''}} thumb|left|{{center|'''2013–2023'''}} {{clear}}
==See also==
* List of United States congressional districts * Texas's congressional delegations
{{portal|United States|Texas}} {{clear}}
==References== {{reflist}} *{{cite book|title = The Historical Atlas of Political Parties in the United States Congress|last = Martis|first = Kenneth C.|year = 1989|publisher = Macmillan Publishing Company|location = New York}} *{{cite book|title = The Historical Atlas of United States Congressional Districts|last = Martis|first = Kenneth C.|year = 1982|publisher = Macmillan Publishing Company|location = New York}} * [http://bioguide.congress.gov/biosearch/biosearch.asp Congressional Biographical Directory of the United States 1774–present] {{Webarchive|url=https://web.archive.org/web/20100423082228/http://bioguide.congress.gov/biosearch/biosearch.asp |date=April 23, 2010 }}
{{USCongDistStateTX}}
{{coord|30|03|28|N|98|58|31|W|region:US_type:city_source:kolossus-eswiki|display=title}}
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