Colfax County's 2026 population is estimated at 11,086, reflecting a 1.19% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Colfax County is the 22nd largest county in Nebraska. The 2010 population was 10,541 and has grown 5.17% since 2010.
Data after 2023 is projected based on recent change
Overall: 35.5 years
Female: 31.3 years
Male: 37.7 years
There are 7,387 adults, (1,469 of whom are seniors) in Colfax County.
Female: 4,916 (46.2%)
Male: 5,725 (53.8%)
The racial composition of Colfax County includes 50.68% White, 16.05% other race, 4.57% Native American, 4.49% Black or African American, and smaller percentages for Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 5,393 | 50.68% |
| Two or more races | 2,555 | 24.01% |
| Other race | 1,708 | 16.05% |
| Native American | 486 | 4.57% |
| Black or African American | 478 | 4.49% |
| Asian | 21 | 0.2% |
Colfax County 's average per capita income is $49,854. Household income levels show a median of $82,530. The poverty rate stands at 6.88%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $84,922 | - |
| Households | $82,530 | $100,003 |
| Families | $82,477 | $105,547 |
| Non Families | $43,177 | $57,980 |
Average Income
Median Household Income
Poverty Rate
