Overview
5,896
Total Population
42.1
Median age
49.37%
Female population %
102.5:100
Gender ratio (M:F)
65-69 years
Largest age group
66.2
Total dependency ratio
White
Largest racial group
61
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Chouteau County's population is old compared to the rest of the country:
- The median age in Chouteau County is 42.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Chouteau County's population under 18 was 23.27%, compared to the 22.51% nationwide.
- Chouteau County's elderly or the senior population (over 65 age) was 21.64% as compared to 16.04% nationwide.
- Of the total population in Chouteau County, 18.20% were under the age of 15, 17.96% aged 15 to 29, 42.20% aged 30 to 64, 19.11% aged 65 to 84, and 2.53% were 85 years of age and older.

Read more about Chouteau County, MT population by age ➔
Gender
There are 74 less females than males in Chouteau County:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.37% females and 50.63% males in Chouteau County, MT.
- The Chouteau County, MT gender ratio is 102.5:100 i.e. 102.5 men to 100 women (1.025).
- For male population, the largest age group is 65-69 years with a population of 242.
- For the female population, the largest age group is 55-59 years with a population of 244.

Read more about Chouteau County, MT population by gender ➔
Race / Ethnicity
Chouteau County's population has become increasingly diverse:
- Racial distribution of Chouteau County population: 77.15% are White, 0.14% are Black or African American, 19.20% are American Indian and Alaska Native, 0.15% are Asian, 0.02% are Native Hawaiian and other Pacific Islander, 0.19% are some other race and 3.15% are multiracial.
- Chouteau County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
- By ethnicity, 61 is Hispanic or Latino (of any race), and 5,835 (98.97% of the total population) is Non-Hispanic.
- The largest racial group in Chouteau County is White with a population of 4,549 (77.15% of the total population).

Read more about Chouteau County, MT population by race ➔
Year by year
Chouteau County's population has already reached its peak and is showing a trend of decline:
- The peak population was 6,044 in the year 2000
- From 2000 to 2010, Chouteau County's population decreased by 234 (3.87%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Chouteau County's population increased by 85 (1.46%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
- Between the year 2000 and 2022, Chouteau County's population was lowest in year 2009 at 5,226.

Read more about Chouteau County, MT population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)