• county
  • FIPS 30015
  • Largest town: Fort Benton

Chouteau County, Montana

Chouteau County had 5,880 residents in the Census Vintage 2024 estimate, on 3,972.5 square miles of land. It ranks 34th of 56 in Montana by population and 10th by land area.

Population
5,880
#34 of 56 in Montana · #2,740 in US
Area
3,972.5 sq mi
#10 of 56 in Montana · #123 in US
Density
1.5 / sq mi
#41 of 56 in Montana · #3,028 in US
Median household income
$61,903
#22 of 56 in Montana · #1,649 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Chouteau County within Montana. Pin: Helena.

Chouteau County population, land area and income

Chouteau County had 5,880 residents in the Census Vintage 2024 estimate, on 3,972.5 square miles of land. It ranks 34th of 56 in Montana by population and 10th by land area. That works out to 1.5 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in Montana has 7,814 residents; Chouteau County is somewhat smaller.

Its SAIPE 2023 median household income of $61,903 is below the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

5,880

3144th1st

2740th of 3,144 (US)

Land area

3,973 sq mi

3144th1st

123rd of 3,144 (US)

Density

1.5 / sq mi

3144th1st

3028th of 3,144 (US)

Median household income

$61,903

3143rd1st

1649th of 3,143 (US)

Rank within Montana (56)

Population

5,880

56th1st

34th of 56 (MT)

Land area

3,973 sq mi

56th1st

10th of 56 (MT)

Density

1.5 / sq mi

56th1st

41st of 56 (MT)

Median household income

$61,903

56th1st

22nd of 56 (MT)

How Chouteau County's population changed since 2020

Chouteau County lost 37 residents between the July 2020 and July 2024 estimates, a drop of 0.6%. That ranks 39th of 56 in Montana for growth. The median Montana county changed by +2.8%, and the state as a whole by +4.6%.

Since the April 2020 estimates base, Chouteau County recorded 176 births and 257 deaths, a natural change of -81. Net international migration added +9 and net domestic migration, people moving to or from other US counties, came to +41. The largest single component was natural change, which removed 81 people.

5,91720205,93920215,91720225,87720235,8802024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
176
Deaths
257
Net international migration
+9
Net domestic migration
+41
Change, July 2023 to July 2024
+3

Where Chouteau County is

The Census internal point of Chouteau County is at 47.886800, -110.436200. It sits in UTM zone 12N. The map shades Montana's 56 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Chouteau County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Chouteau County

One incorporated place of 1,000+ people has residents in Chouteau County, 1,422 people together, or 24% of the county. Each figure counts only the part of the town inside Chouteau County; towns marked "part" extend into another county. The largest is Fort Benton with 1,422.

  1. 01Fort Benton1,422
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Chouteau County

The Census 2024 county adjacency file lists 8 neighbors for Chouteau County. The most populous is Cascade County, MT, with 84,523 residents. Distances run between Census internal points in a straight line.

Distance to Helena and the nearest big city

Helena is 116.5 miles SW of Chouteau County's internal point in a straight line. The nearest place of 100,000 or more is Billings, MT (population 121,483), 170.1 miles away. The nearest place of 10,000 or more is Great Falls, MT (population 60,013), 48.2 miles away.

Chouteau County FIPS code

The FIPS code of Chouteau County is 30015: state code 30 for Montana plus county code 015. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $61,903.

Questions people ask

What is the population of Chouteau County, Montana?

The Census Vintage 2024 estimate for July 1, 2024 is 5,880. That is down 37 people (0.6%) from the July 2020 estimate of 5,917.

What is the FIPS code of Chouteau County?

30015. The first two digits (30) are Montana; the last three (015) identify the county.

What is the largest town in Chouteau County?

Fort Benton, with 1,422 residents inside Chouteau County in 2024.

Which counties border Chouteau County?

8 county-equivalents border it in the Census 2024 adjacency file: Cascade County, MT; Hill County, MT; Fergus County, MT; Blaine County, MT; Teton County, MT; Pondera County, MT; Judith Basin County, MT; Liberty County, MT.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.