Clay County's 2026 population is estimated at 6,021, reflecting a -0.68% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Clay County is the 47th largest county in Nebraska. The 2010 population was 6,537 and has grown -7.89% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.1 years
Female: 38.9 years
Male: 39.3 years
There are 4,598 adults, (1,236 of whom are seniors) in Clay County.
Female: 3,004 (49.3%)
Male: 3,091 (50.7%)
The racial composition of Clay County includes 88.32% White, 4.89% other race, and smaller percentages for Native American, Black or African American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 5,383 | 88.32% |
| Two or more races | 313 | 5.14% |
| Other race | 298 | 4.89% |
| Native American | 55 | 0.9% |
| Black or African American | 44 | 0.72% |
| Asian | 2 | 0.03% |
Clay County 's average per capita income is $49,231. Household income levels show a median of $78,986. The poverty rate stands at 6.9%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $102,454 | - |
| Families | $92,188 | $113,079 |
| Households | $78,986 | $96,609 |
| Non Families | $36,304 | $51,396 |
Average Income
Median Household Income
Poverty Rate