Broadwater County's 2026 population is estimated at 8,780, reflecting a 2.8% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Broadwater County is the 26th largest county in Montana. The 2010 population was 5,632 and has grown 55.89% since 2010.
Data after 2023 is projected based on recent change
Overall: 45.9 years
Female: 45.4 years
Male: 46.7 years
There are 6,142 adults, (1,782 of whom are seniors) in Broadwater County.
Female: 3,856 (50.3%)
Male: 3,812 (49.7%)
The racial composition of Broadwater County includes 89.16% White, and smaller percentages for Native American, Black or African American, Asian, other race and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 6,837 | 89.16% |
| Two or more races | 697 | 9.09% |
| Native American | 90 | 1.17% |
| Black or African American | 17 | 0.22% |
| Asian | 15 | 0.2% |
| Other race | 12 | 0.16% |
Broadwater County 's average per capita income is $52,296. Household income levels show a median of $70,374. The poverty rate stands at 12.65%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $87,880 | - |
| Families | $83,636 | $103,501 |
| Households | $70,374 | $92,049 |
| Non Families | $52,357 | $54,632 |
Average Income
Median Household Income
Poverty Rate
