Powder River County's 2026 population is estimated at 1,740, reflecting a 0.17% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Powder River County is the 48th largest county in Montana. The 2010 population was 1,739 and has grown 0.06% since 2010.
Data after 2023 is projected based on recent change
Overall: 47.3 years
Female: 47.7 years
Male: 46.6 years
There are 1,451 adults, (545 of whom are seniors) in Powder River County.
Female: 905 (49.9%)
Male: 910 (50.1%)
The racial composition of Powder River County includes 90.47% White, and smaller percentages for Native American, Asian, other race and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 1,642 | 90.47% |
| Two or more races | 102 | 5.62% |
| Native American | 40 | 2.2% |
| Asian | 17 | 0.94% |
| Other race | 14 | 0.77% |
Powder River County 's average per capita income is $48,516. Household income levels show a median of $67,045. The poverty rate stands at 8.12%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $104,091 | - |
| Families | $84,028 | $106,786 |
| Households | $67,045 | $95,150 |
| Non Families | $36,823 | $67,173 |
Average Income
Median Household Income
Poverty Rate