Thayer County's 2026 population is estimated at 4,900, reflecting a 0.31% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Thayer County is the 56th largest county in Nebraska. The 2010 population was 5,234 and has grown -6.38% since 2010.
Data after 2023 is projected based on recent change
Overall: 46 years
Female: 46.5 years
Male: 45.6 years
There are 3,790 adults, (1,240 of whom are seniors) in Thayer County.
Female: 2,458 (50.2%)
Male: 2,443 (49.8%)
The racial composition of Thayer County includes 94.21% White, and smaller percentages for Native American, other race, Asian, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 4,617 | 94.21% |
| Two or more races | 239 | 4.88% |
| Native American | 20 | 0.41% |
| Other race | 18 | 0.37% |
| Asian | 4 | 0.08% |
| Black or African American | 3 | 0.06% |
Thayer County 's average per capita income is $41,968. Household income levels show a median of $66,213. The poverty rate stands at 9.01%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $91,518 | - |
| Families | $85,288 | $98,241 |
| Households | $66,213 | $83,392 |
| Non Families | $37,260 | $55,498 |
Average Income
Median Household Income
Poverty Rate
