Richland County's estimated 2026 population is 11,683 with a growth rate of 2.69% in the past year according to the most recent United States census data. Richland County is the 19th largest county in Montana. The 2010 population was 9,760 and has seen a growth of 19.7% since that time.
Data after 2023 is projected based on recent change
Overall: 38.4 years
Female: 37.9 years
Male: 39.2 years
There are 8,433 adults, (1,963 of whom are seniors) in Richland County.
Female: 5,523 (49.2%)
Male: 5,712 (50.8%)
The racial composition of Richland County includes 89.77% White, and smaller percentages for other race, Native Hawaiian or Pacific Islander, Asian, Black or African American, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 10,086 | 89.77% |
| Two or more races | 758 | 6.75% |
| Other race | 228 | 2.03% |
| Native Hawaiian or Pacific Islander | 61 | 0.54% |
| Asian | 48 | 0.43% |
| Black or African American | 30 | 0.27% |
| Native American | 24 | 0.21% |
Richland County's average per capita income is $47,541. Household income levels show a median of $73,084. The poverty rate stands at 6.6%.
Name | Median | Mean |
|---|---|---|
| Married Families | $105,441 | - |
| Families | $91,563 | $119,227 |
| Households | $73,084 | $103,609 |
| Non Families | $46,071 | $73,394 |
Average Income
Median Household Income
Poverty Rate