Mineral County's 2026 population is estimated at 5,315, reflecting a 1.14% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Mineral County is the 36th largest county in Montana. The 2010 population was 4,230 and has grown 25.65% since 2010.
Data after 2023 is projected based on recent change
Overall: 50 years
Female: 50.6 years
Male: 49.5 years
There are 3,931 adults, (1,394 of whom are seniors) in Mineral County.
Female: 2,338 (47.1%)
Male: 2,621 (52.9%)
The racial composition of Mineral County includes 91.87% White, and smaller percentages for Native American, other race, Asian, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 4,556 | 91.87% |
| Two or more races | 280 | 5.65% |
| Native American | 71 | 1.43% |
| Other race | 29 | 0.58% |
| Asian | 14 | 0.28% |
| Black or African American | 9 | 0.18% |
Mineral County 's average per capita income is $42,000. Household income levels show a median of $63,450. The poverty rate stands at 13.53%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $77,870 | - |
| Families | $73,558 | $99,745 |
| Households | $63,450 | $88,471 |
| Non Families | $42,885 | $67,126 |
Average Income
Median Household Income
Poverty Rate
