Carbon County's 2026 population is estimated at 11,428, reflecting a -0.33% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Carbon County is the 20th largest county in Montana. The 2010 population was 10,063 and has grown 13.56% since 2010.
Overall: 50.4 years
Female: 50.3 years
Male: 50.6 years
There are 9,209 adults, (3,118 of whom are seniors) in Carbon County.
Female: 5,452 (49%)
Male: 5,664 (51%)
The racial composition of Carbon County includes 91.19% White, and smaller percentages for other race, Native American, Black or African American, Native Hawaiian or Pacific Islander, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 10,137 | 91.19% |
| Two or more races | 679 | 6.11% |
| Other race | 204 | 1.84% |
| Native American | 36 | 0.32% |
| Black or African American | 31 | 0.28% |
| Native Hawaiian or Pacific Islander | 26 | 0.23% |
| Asian | 3 | 0.03% |
Carbon County 's average per capita income is $41,398. Household income levels show a median of $80,261. The poverty rate stands at 7.79%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $104,008 | - |
| Families | $97,674 | $123,552 |
| Households | $80,261 | $104,457 |
| Non Families | $41,530 | $66,024 |
Average Income
Median Household Income
Poverty Rate
