Chouteau County , Montana

Chouteau County: County in central Montana, United States


Chouteau County is a county located in the U.S. state of Montana. As of the 2010 census, the population was 5,813 and a population density of 1 people per km². After 10 years in 2020 county had an estimated population of 5,699 inhabitants. Its county seat is Fort Benton. The county was created 157 years ago in 1864.

Chouteau County Quick Facts

Population : 5,699 (2020)
Country : United States of America
State : Montana (United States)
Area : 10352 km2
Water as percent of area : 0.6%
Land as percent of area : 99.4%
Named for : Pierre Chouteau, Jr.
Altitude : 2,746 feet / 837 meters
Capital : Fort Benton
Establishment : January 01, 1865
Time Zone : America/Denver
Local time : 06:14:55 (25th May 2022)
Density : 1 Pop. per km² as of 2020
Population growth : -2% (2010-2020)
Chouteau County locator map
Location of Chouteau County on Montana map.
Choteau County Courthouse image
Choteau County Courthouse
Choteau County Courthouse image


Chouteau County is located at 47°52'50"N 110°26'7"W (47.8805600, -110.4352000). It has 2 neighbors: Judith Basin County and Liberty County.

Chouteau County map

The largest city of Chouteau County is Fort Benton with a population of 1,442. . See all Chouteau County cities & populated places.

Chouteau County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Chouteau County.

City Name Population Title
Fort Benton 1,442 City in Montana, USA
Big Sandy 566 Town of the United States
Geraldine 251 Town of the United States

Chouteau County has 2 neighbours.

  • Fort Benton


According to census records, the population of Chouteau County decreased by 2% in 10 years.

Year Population % Change Method
2010 5,813 - census
2011 5,812 -0.02% estimation process
2012 5,932 2.02% estimation process
2013 5,853 -1.35% estimation process
2014 5,899 0.78% estimation process
2015 5,774 -2.16% estimation process
2016 5,780 0.1% estimation process
2017 5,732 -0.84% estimation process
2018 5,740 0.14% estimation process
2019 5,635 -1.86% estimation process
2020 5,699 1.12% estimation process

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People born in Chouteau County (1)

American anthropologist Albert Spaulding was born in Chouteau County

Montana Other Counties (more counties)

County Name Population Title
Yellowstone County 162,990 County in Montana, United States of America
Missoula County 121,630 County in Montana, United States
Gallatin County 116,806 County in Montana, United States
Billings 109,736 City in Montana, United States of America
Flathead County 105,851 County in Montana, United States
Cascade County 81,346 County in central Montana, United States
Missoula 76,848 County seat of Missoula County, Montana, United States
Lewis and Clark County 70,229 County in Montana, United States
Great Falls 58,353 Town in Cascade County, Montana, United States
Bozeman 50,970 Town in Gallatin County, Montana, United States
Ravalli County 45,002 County in Montana, United States
Silver Bow County 35,180 County in Montana, United States
Butte 34,190 Consolidated city-county in Montana, United States
Helena 33,737 State capital of Montana, United States and seat of Lewis and Clark County
Lake County 30,986 County in Montana, United States
Kalispell 25,329 City in Flathead County, Montana, United States