Knox County's 2026 population is estimated at 8,236, reflecting a -0.42% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Knox County is the 34th largest county in Nebraska. The 2010 population was 8,677 and has grown -5.08% since 2010.
Data after 2023 is projected based on recent change
Overall: 44.3 years
Female: 45.1 years
Male: 43 years
There are 6,350 adults, (2,159 of whom are seniors) in Knox County.
Female: 4,258 (50.9%)
Male: 4,105 (49.1%)
The racial composition of Knox County includes 85.77% White, 9.33% Native American, and smaller percentages for Black or African American, other race, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 7,173 | 85.77% |
| Native American | 780 | 9.33% |
| Two or more races | 266 | 3.18% |
| Black or African American | 56 | 0.67% |
| Other race | 51 | 0.61% |
| Asian | 36 | 0.43% |
| Native Hawaiian or Pacific Islander | 1 | 0.01% |
Knox County 's average per capita income is $42,509. Household income levels show a median of $64,636. The poverty rate stands at 13.68%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $93,681 | - |
| Families | $85,846 | $93,975 |
| Households | $64,636 | $78,823 |
| Non Families | $35,179 | $47,214 |
Average Income
Median Household Income
Poverty Rate