County · Montana

Chouteau County, Montana

Chouteau County, Montana. Chouteau County had 5,865 residents in 2025 by the Census Bureau's estimate, down 0.8% since 2020, while Montana grew 5.6%. It holds 13 places (3 cities, villages and boroughs and 10 census-designated) and 2 census tracts. GEOID 30015.

Residents, July 2025 estimate

5,865

Census Bureau estimate (no margin published)
2020 Census count: 5,895 · ACS 2020-2024: 5,906

Median household income

$58,218

±$4,666 (90% margin)
Montana: $72,509

Median home value

$207,800

±$28,387 (90% margin)
Montana: $375,800

Median gross rent

$536

±$101 (90% margin)
Montana: $1,081

How many people live in Chouteau County, and is it growing?

The 2020 Census counted 5,895 residents in Chouteau County. The Census Bureau estimates 5,865 for July 1, 2025, down 0.8% since 2020, while Montana grew 5.6%. The 2020-2024 American Community Survey puts the population at 5,906 over 3,973 square miles of land.

  • July 2020→2021 +25 (5,936)
  • 2021→2022 −23 (5,913)
  • 2022→2023 −38 (5,875)
  • 2023→2024 −22 (5,853)
  • 2024→2025 +12 (5,865)
Chouteau County in Montana. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureChouteau CountyMontanaChange since 2015-2019
Total population5,9061,116,875+174
Households2,159±103458,859no clear change
Average household size2.67±0.132.37+0.18
Housing units2,885±37528,419no clear change

Chouteau County's population since 2000

From 5,970 in 2000 to 5,865 in 2025: down 1.8%. 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.

  • 2000 Census 5,970
  • 2005 (estimate) 5,708
  • 2010 Census 5,813
  • 2015 (estimate) 5,777
  • 2020 Census 5,895
  • 2025 (estimate) 5,865

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 Chouteau County?

Chouteau County holds 13 places: 3 cities, villages and boroughs (incorporated places) and 10 census-designated places. The largest is Fort Benton with 1,416 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Chouteau County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Fort Bentoncity1,4491,474±160$67,188$247,6003.0%100%
Rocky Boy WestCDP1,0421,007±214$63,125$103,60036.1%67%
Big Sandytown605784±167$60,521$187,5008.5%100%
BoneauGEOID 3008162CDP365277±124$43,056not published21.7%100%
Geraldinetown207317±86$43,036$106,30024.3%100%
HighwoodGEOID 3036250CDP165205±63$85,500$200,0006.8%100%
LomaGEOID 3044800CDP6573±59$51,227$112,30013.7%100%
CarterGEOID 3012625CDP6560±37not published$111,40028.3%100%
Twin Hills ColonyGEOID 3075590CDP3948±30not publishednot published0.0%100%
Square ButteGEOID 3070600CDP2728±27$48,500not published0.0%100%
FlowereeGEOID 3027025CDP1918±29$123,125$416,7005.6%100%
Parker SchoolGEOID 3056650CDP388307±131not published$93,70012.7%0%
Sunnybrook ColonyGEOID 3072305CDP00±11not publishednot published–100%

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 Chouteau County?

The median resident of Chouteau County is 43.0 years old; 22.3% are under 18 and 23.4% are 65 or older. The largest group is non-Hispanic white residents at 75.4%, then non-Hispanic American Indian and Alaska Native residents at 16.6%. 1.5% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureChouteau CountyMontanaChange since 2015-2019
Median age43.0±1.440.4no clear change
Under 18 years22.3%±0.5 pts21.0%–
65 years and over23.4%±0.5 pts20.1%–
Hispanic or Latino (any race)3.1%4.6%+0.5 pts
White alone, not Hispanic75.4%±0.8 pts83.6%−1.5 pts
Black or African American alone, not Hispanic0.1%±0.1 pts0.4%–
Asian alone, not Hispanic0.1%±0.1 pts0.8%–
American Indian and Alaska Native alone, not Hispanic16.6%±1.1 pts5.3%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.5 pts0.0%–
Two or more races, not Hispanic4.8%±1.2 pts4.7%–
Some other race alone, not Hispanic0.0%±0.1 pts0.5%–
Born outside the United States1.5%±0.8 pts2.3%no clear change
Speak a language other than English at home (age 5+)1.5%±0.8 pts4.2%–
Civilian veterans (age 18+)7.9%±2.4 pts9.0%–
With a disability13.6%±2.1 pts14.5%–
No health insurance coverage5.7%±1.8 pts8.6%−5.2 pts
High school graduate or higher (age 25+)93.5%±2.0 pts94.6%–
Bachelor's degree or higher (age 25+)23.0%±3.4 pts35.2%−5.3 pts
Graduate or professional degree (age 25+)6.2%±1.6 pts12.0%–
Moved from another state in the past year1.2%±0.9 pts3.7%–

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 Chouteau County earn?

Half of Chouteau County's 2,159 households earn less than $58,218 a year (±$4,666), against $72,509 in Montana. In 2015-2019 the median was $52,056 in 2024 dollars, so it rose by $6,162 after inflation. 11.2% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureChouteau CountyMontanaChange since 2015-2019
Median household income$58,218±$4,666$72,509+$6,162
Mean household income$78,673±$5,939$98,908–
Per capita income$31,122±$2,335$41,711no clear change
People below the poverty line11.2%±2.7 pts11.5%−5.9 pts
Children under 18 below the poverty line10.8%±4.1 pts12.7%−8.9 pts
Households receiving SNAP9.4%±2.2 pts7.8%–
Households with a broadband subscription77.4%±4.3 pts89.4%–

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 Chouteau County?

Owners occupy 68.2% of Chouteau County's occupied homes and renters 31.8%. The median owner-occupied home is valued at $207,800 by its owner (±$28,387). The median renter pays $536 a month including utilities, and 21.0% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureChouteau CountyMontanaChange since 2015-2019
Median home value (owner-occupied)$207,800±$28,387$375,800no clear change
Median gross rent$536±$101$1,081no clear change
Renters paying 35% or more of income on rent21.0%±8.7 pts35.5%no clear change
Median monthly owner costs, with a mortgage$1,239±$125$1,798–
Owner-occupied homes68.2%±4.0 pts69.2%no clear change
Housing units2,885±37528,419no clear change
Homeowner vacancy rate1.7%±1.7 pts0.9%–
Rental vacancy rate1.0%±1.4 pts5.3%–
Single-family detached homes77.6%±4.5 pts68.8%–
Mobile homes16.9%±4.3 pts9.4%–
Built 2020 or later1.5%±1.2 pts2.3%–
Built 1939 or earlier24.6%±3.5 pts12.8%–

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 Chouteau County building?

Builders took permits for 18 new housing units across Chouteau County in 2025 (18 single-family), 3.1 per 1,000 residents.

  • 2019 11 units
  • 2020 13 units
  • 2021 17 units
  • 2022 20 units
  • 2023 16 units
  • 2024 19 units
  • 2025 18 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Chouteau County get to work?

68.7% of Chouteau County's workers drive alone and 12.5% work from home. The average trip to work takes 18.5 minutes. The unemployment rate in 2020-2024 averaged 3.2%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureChouteau CountyMontanaChange since 2015-2019
In the labor force (age 16+)51.5%±2.9 pts62.9%–
Unemployment rate3.2%±1.8 pts3.6%no clear change
Drove alone to work68.7%±4.0 pts71.1%–
Carpooled10.8%±3.4 pts9.7%–
Public transportation0.3%±0.6 pts0.6%–
Walked6.7%±2.0 pts3.9%–
Worked from home12.5%±3.1 pts12.5%no clear change
Mean travel time to work18.5 min±1.419.1 minno 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 Chouteau County's census tracts?

Chouteau County is divided into 2 census tracts. Among those with a reliable estimate, median household income runs from $52,402 (Tract 103) to $68,261 (Tract 102).

Census tracts of Chouteau County, ACS 2020-2024 5-year estimates; sort by any column
Tract 10230015010200Fort Benton (34%)2,1102,170±215$68,261$231,800$7034.0%
Tract 10330015010300Big Sandy (11%)3,7853,736±215$52,402$171,300$46815.3%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Chouteau County compare with Montana's other counties?

Chouteau County's rank among Montana's counties with a reliable estimate (1 = highest)
MeasureRank
Population34th of 56
Growth 2020-202541st of 56
Residents per square mile41st of 56
Median household income41st of 56
Median home value36th of 56
Median gross rent53rd of 56
Poverty rate35th of 56
Bachelor's degree or higher39th of 56
Median age34th of 56

Every county in Montana

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 Chouteau 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.