| County | Lake County |
|---|---|
| State | Montana |
| Ex image | StIgMissionOutside.JPG |
| Ex image size | 220px |
| Ex image cap | St. Ignatius Mission at St. Ignatius, Montana |
| Founded year | 1923 |
| Seat wl | Polson |
| Largest city wl | Polson |
| Area total | 1654 sq mi |
| Area land | 1490 sq mi |
| Area water | 164 sq mi |
| Area percentage | 9.9 |
| Population as of | 2020 |
| Population total | 31134 |
| Pop est as of | 2025 |
| Population est | 33392 |
| Web | http://www.lakemt.gov/ |
| District | 1st |
| Time zone | Mountain |
| Named for | Flathead Lake |
Lake County is a county located in the northwest part of the U.S. state of Montana. As of the 2020 census, the population was 31,134.[1] Its county seat is Polson.[2]
Geography
According to the United States Census Bureau, the county has a total area of 1,654 square miles (4,280 km2), of which 1,490 square miles (3,900 km2) is land and 164 square miles (420 km2) (9.9%) is water.[3] Over two-thirds (67.7%) of the county's land lies within the Flathead Indian Reservation.
Adjacent counties
- Flathead County - north
- Missoula County - east
- Sanders County - west
National protected areas
- Bison Range (part)
- Flathead National Forest (part)
- Ninepipe National Wildlife Refuge
- Pablo National Wildlife Refuge
- Swan River National Wildlife Refuge
Demographics
2020 census
As of the 2020 census, the county had a population of 31,134. Of the residents, 23.2% were under the age of 18 and 24.3% were 65 years of age or older; the median age was 44.7 years. For every 100 females there were 95.6 males, and for every 100 females age 18 and over there were 93.7 males. 17.9% of residents lived in urban areas and 82.1% lived in rural areas.[4]
The racial makeup of the county was 66.3% White, 0.2% Black or African American, 22.3% American Indian and Alaska Native, 0.5% Asian, 0.8% from some other race, and 9.8% from two or more races. Hispanic or Latino residents of any race comprised 3.8% of the population.[5]
There were 12,486 households in the county, of which 28.4% had children under the age of 18 living with them and 26.1% had a female householder with no spouse or partner present. About 28.3% of all households were made up of individuals and 14.3% had someone living alone who was 65 years of age or older.[6]
There were 16,390 housing units, of which 23.8% were vacant. Among occupied housing units, 71.4% were owner-occupied and 28.6% were renter-occupied. The homeowner vacancy rate was 1.6% and the rental vacancy rate was 4.9%.[6]
2010 census
As of the 2010 census, there were 28,746 people, 11,432 households, and 7,770 families living in the county. The population density was 19.3 inhabitants per square mile (7.5 /km2). There were 16,588 housing units at an average density of 11.1 inhabitants per square mile (4.3 /km2). The racial makeup of the county was 69.4% white, 22.0% American Indian, 0.4% Asian, 0.3% black or African American, 0.1% Pacific islander, 0.5% from other races, and 7.3% from two or more races. Those of Hispanic or Latino origin made up 3.5% of the population. In terms of ancestry, 22.3% were German, 11.6% were English, 11.5% were Irish, 6.9% were Norwegian, and 3.8% were American.
Of the 11,432 households, 31.0% had children under the age of 18 living with them, 51.0% were married couples living together, 11.5% had a female householder with no husband present, 32.0% were non-families, and 26.5% of all households were made up of individuals. The average household size was 2.46 and the average family size was 2.97. The median age was 41.3 years.
The median income for a household in the county was $37,274 and the median income for a family was $47,437. Males had a median income of $37,461 versus $26,637 for females. The per capita income for the county was $20,164. About 15.4% of families and 21.6% of the population were below the poverty line, including 33.9% of those under age 18 and 9.3% of those age 65 or over.
Communities
Cities
Town
Census-designated places
- Arlee
- Bear Dance
- Big Arm
- Charlo
- Dayton
- Elmo
- Finley Point
- Jette
- Kerr
- Kicking Horse
- Kings Point
- Lake Mary Ronan
- Lindisfarne
- Niarada
- Pablo
- Ravalli
- Rocky Point
- Rollins
- Swan Lake
- Turtle Lake
- Woods Bay
Unincorporated communities
Education
School districts include:
K-12 (Unified):[13]
High school:[13]
- Arlee High School District
- Bigfork High School District
- Charlo High School District
- Missoula High School District
- Polson High School District
- Ronan High School District
Elementary school:[13]
- Arlee Elementary School District
- Bigfork Elementary School District
- Charlo Elementary School District
- Polson Elementary School District
- Ronan Elementary School District
- Swan Lake-Salmon Elementary School District
- Upper West Shore Elementary School District
- Valley View Elementary School District
See also
- List of lakes in Lake County, Montana
- List of mountains in Lake County, Montana
- National Register of Historic Places listings in Lake County, Montana
References
- ^ "State & County QuickFacts". United States Census Bureau. Retrieved April 5, 2023.
- ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
- ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Archived from the original on December 5, 2014. Retrieved November 28, 2014.
- ^ "2020 Decennial Census Demographic and Housing Characteristics (DHC)". United States Census Bureau. United States Census Bureau. 2023. Retrieved 2025-12-07.
- ^ "2020 Decennial Census Redistricting Data (Public Law 94-171)". United States Census Bureau. United States Census Bureau. 2021. Retrieved 2025-12-07.
- ^ "2020 Decennial Census Demographic Profile (DP1)". United States Census Bureau. United States Census Bureau. 2021. Retrieved 2025-12-07.
- ^ Allentown MT Google Maps (accessed January 2, 2019)
- ^ Post Creek MT Google Maps (accessed January 2, 2019)
- ^ Proctor MT Google Maps (accessed January 2, 2019)
- ^ Round Butte MT Google Maps (accessed January 2, 2019)
- ^ Salmon Prairie Google Maps (accessed January 2, 2019)
- ^ Sipes MT Google Maps (accessed January 2, 2019)
- ^ "2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Lake County, MT". U.S. Census Bureau. p. 4 (PDF p. 5/7). Retrieved March 13, 2024. - Text list