County · Montana
Flathead County, Montana
Flathead County, Montana. Flathead County had 115,429 residents in 2025 by the Census Bureau's estimate, up 10.6% since 2020, faster than Montana (+5.6%). It holds 24 places (3 cities, villages and boroughs and 21 census-designated) and 32 census tracts. GEOID 30029.
Flathead County is the county of the Kalispell, MT micropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
115,429
Census Bureau estimate (no margin published)
2020 Census count: 104,357 · ACS 2020-2024: 110,695
Median household income
$73,925
±$2,517 (90% margin)
Montana: $72,509
Median home value
$535,500
±$17,031 (90% margin)
Montana: $375,800
Median gross rent
$1,142
±$42 (90% margin)
Montana: $1,081
How many people live in Flathead County, and is it growing?
The 2020 Census counted 104,357 residents in Flathead County. The Census Bureau estimates 115,429 for July 1, 2025, up 10.6% since 2020, faster than Montana (+5.6%). The 2020-2024 American Community Survey puts the population at 110,695 over 5,087 square miles of land.
| Measure | Flathead County | Montana | Change since 2015-2019 |
|---|---|---|---|
| Total population | 110,695 | 1,116,875 | +10,796 |
| Households | 44,233±567 | 458,859 | +5,460 |
| Average household size | 2.47±0.03 | 2.37 | −0.08 |
| Housing units | 51,680±69 | 528,419 | +2,895 |
Flathead County's population since 2000
From 74,471 in 2000 to 115,429 in 2025: up 55.0%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Flathead County?
Flathead County holds 24 places: 3 cities, villages and boroughs (incorporated places) and 21 census-designated places. The largest is Kalispell with 31,851 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Kalispell | 24,558 | $63,415 |
|---|---|---|
| Evergreen | 8,149 | $76,446 |
| Whitefish | 7,751 | $73,811 |
| Columbia Falls | 5,308 | $75,766 |
| Bigfork | 5,118 | $85,307 |
| Lakeside | 2,705 | $77,435 |
| Helena Flats | 1,206 | $93,625 |
| Marion | 1,119 | $65,250 |
| SomersGEOID 3069475 | 1,049 | $56,917 |
| Hungry HorseGEOID 3038125 | 828 | $53,056 |
| CoramGEOID 3017500 | 572 | $63,388 |
| Martin CityGEOID 3048100 | 461 | not published |
| KilaGEOID 3040675 | 424 | $96,607 |
| BataviaGEOID 3004230 | 368 | $46,995 |
| Forest Hill VillageGEOID 3027595 | 241 | not published |
| West GlacierGEOID 3079075 | 221 | $90,000 |
| OlneyGEOID 3055450 | 186 | $57,989 |
| Little Bitterroot LakeGEOID 3043830 | 154 | not published |
| RhodesGEOID 3062230 | 146 | $61,583 |
| PinnacleGEOID 3057775 | 45 | $58,977 |
| EssexGEOID 3024700 | 44 | $60,250 |
| SnowslipGEOID 3069345 | 39 | $186,750 |
| NiaradaGEOID 3053725 | 28 | not published |
| PolebridgeGEOID 3058675 | 14 | not published |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Flathead County?
The median resident of Flathead County is 42.2 years old; 21.6% are under 18 and 21.1% are 65 or older. The largest group is non-Hispanic white residents at 90.0%, then non-Hispanic residents of two or more races at 4.0%. 2.8% of residents were born outside the United States.
| Measure | Flathead County | Montana | Change since 2015-2019 |
|---|---|---|---|
| Median age | 42.2±0.4 | 40.4 | no clear change |
| Under 18 years | 21.6%±0.1 pts | 21.0% | – |
| 65 years and over | 21.1%±0.1 pts | 20.1% | – |
| Hispanic or Latino (any race) | 3.7% | 4.6% | +0.9 pts |
| White alone, not Hispanic | 90.0%±0.3 pts | 83.6% | −2.8 pts |
| Black or African American alone, not Hispanic | 0.2%±0.1 pts | 0.4% | no clear change |
| Asian alone, not Hispanic | 0.8%±0.1 pts | 0.8% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.8%±0.2 pts | 5.3% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 4.0%±0.4 pts | 4.7% | – |
| Some other race alone, not Hispanic | 0.5%±0.2 pts | 0.5% | – |
| Born outside the United States | 2.8%±0.4 pts | 2.3% | no clear change |
| Speak a language other than English at home (age 5+) | 3.0%±0.4 pts | 4.2% | – |
| Civilian veterans (age 18+) | 8.9%±0.7 pts | 9.0% | – |
| With a disability | 11.7%±0.8 pts | 14.5% | – |
| No health insurance coverage | 10.0%±1.0 pts | 8.6% | +1.3 pts |
| High school graduate or higher (age 25+) | 95.5%±0.7 pts | 94.6% | – |
| Bachelor's degree or higher (age 25+) | 37.2%±1.5 pts | 35.2% | +6.2 pts |
| Graduate or professional degree (age 25+) | 13.0%±1.0 pts | 12.0% | – |
| Moved from another state in the past year | 3.4%±0.6 pts | 3.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Flathead County earn?
Half of Flathead County's 44,233 households earn less than $73,925 a year (±$2,517), against $72,509 in Montana. In 2015-2019 the median was $69,143 in 2024 dollars, so it rose by $4,782 after inflation. 9.3% of residents live below the poverty line.
| Measure | Flathead County | Montana | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $73,925±$2,517 | $72,509 | +$4,782 |
| Mean household income | $99,728±$3,506 | $98,908 | – |
| Per capita income | $41,557±$1,553 | $41,711 | +$2,551 |
| People below the poverty line | 9.3%±1.0 pts | 11.5% | no clear change |
| Children under 18 below the poverty line | 9.1%±2.4 pts | 12.7% | −5.5 pts |
| Households receiving SNAP | 6.5%±0.8 pts | 7.8% | – |
| Households with a broadband subscription | 91.2%±1.3 pts | 89.4% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Flathead County?
Owners occupy 72.4% of Flathead County's occupied homes and renters 27.6%. The median owner-occupied home is valued at $535,500 by its owner (±$17,031). The median renter pays $1,142 a month including utilities, and 36.5% of renters pay 35% or more of their income on rent.
| Measure | Flathead County | Montana | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $535,500±$17,031 | $375,800 | +$198,782 |
| Median gross rent | $1,142±$42 | $1,081 | +$90 |
| Renters paying 35% or more of income on rent | 36.5%±3.7 pts | 35.5% | no clear change |
| Median monthly owner costs, with a mortgage | $1,913±$51 | $1,798 | – |
| Owner-occupied homes | 72.4%±1.7 pts | 69.2% | no clear change |
| Housing units | 51,680±69 | 528,419 | +2,895 |
| Homeowner vacancy rate | 0.6%±0.3 pts | 0.9% | – |
| Rental vacancy rate | 7.8%±2.4 pts | 5.3% | – |
| Single-family detached homes | 72.1%±1.5 pts | 68.8% | – |
| Mobile homes | 7.9%±0.8 pts | 9.4% | – |
| Built 2020 or later | 3.2%±0.6 pts | 2.3% | – |
| Built 1939 or earlier | 6.9%±0.8 pts | 12.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Flathead County building?
Builders took permits for 830 new housing units across Flathead County in 2025 (196 single-family), 7.2 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Flathead County get to work?
71.5% of Flathead County's workers drive alone and 15.8% work from home. The average trip to work takes 19.6 minutes. The unemployment rate in 2020-2024 averaged 2.9%.
| Measure | Flathead County | Montana | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 62.4%±1.0 pts | 62.9% | – |
| Unemployment rate | 2.9%±0.6 pts | 3.6% | no clear change |
| Drove alone to work | 71.5%±2.1 pts | 71.1% | – |
| Carpooled | 7.7%±1.1 pts | 9.7% | – |
| Public transportation | 0.1%±0.1 pts | 0.6% | – |
| Walked | 2.8%±0.6 pts | 3.9% | – |
| Worked from home | 15.8%±1.5 pts | 12.5% | +7.7 pts |
| Mean travel time to work | 19.6 min±0.7 | 19.1 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Flathead County's census tracts?
Flathead County is divided into 32 census tracts. Among those with a reliable estimate, median household income runs from $27,529 (Tract 10) to $96,875 (Tract 13.04).
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Flathead County compare with Montana's other counties?
| Measure | Rank |
|---|---|
| Population | 4th of 56 |
| Growth 2020-2025 | 9th of 56 |
| Residents per square mile | 8th of 56 |
| Median household income | 11th of 56 |
| Median home value | 2nd of 56 |
| Median gross rent | 5th of 56 |
| Poverty rate | 42nd of 56 |
| Bachelor's degree or higher | 7th of 56 |
| Median age | 38th of 56 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Flathead County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.