Carter County's estimated 2025 population is 1,398 with a growth rate of -0.07% in the past year according to the most recent United States census data. Carter County is the 50th largest county in Montana. The 2010 population was 1,159 and has seen a growth of 20.62% since that time.
Data after 2023 is projected based on recent change
The racial composition of Carter County includes 92.21% White, and smaller percentages for other race, Native American, Black or African American and multiracial populations.
White (92.21%)
Two or more races (5.88%)
Other race (1.1%)
Native American (0.73%)
Black or African American (0.07%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,255 | 92.21% |
| Two or more races | 80 | 5.88% |
| Other race | 15 | 1.1% |
| Native American | 10 | 0.73% |
| Black or African American | 1 | 0.07% |
Married
Widowed
Divorced
Separated
Never Married
Carter County's average per capita income is $33,482. Household income levels show a median of $52,171. The poverty rate stands at 13.75%.
Name | Median | Mean |
|---|---|---|
| Married Families | $64,348 | - |
| Families | $63,924 | $79,600 |
| Households | $52,171 | $64,908 |
| Non Families | $28,846 | $41,151 |
Average Income
Median Household Income
Poverty Rate
