Nemaha County's 2026 population is estimated at 9,998, reflecting a -0.32% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Nemaha County is the 38th largest county in Kansas. The 2010 population was 10,159 and has grown -1.58% since 2010.
Data after 2023 is projected based on recent change
Overall: 40.1 years
Female: 40.9 years
Male: 39.2 years
There are 7,430 adults, (2,055 of whom are seniors) in Nemaha County.
Female: 4,960 (48.8%)
Male: 5,200 (51.2%)
The racial composition of Nemaha County includes 94.01% White, and smaller percentages for Black or African American, Asian, other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 9,551 | 94.01% |
| Two or more races | 353 | 3.47% |
| Black or African American | 122 | 1.2% |
| Asian | 56 | 0.55% |
| Other race | 43 | 0.42% |
| Native American | 35 | 0.34% |
Nemaha County 's average per capita income is $48,891. Household income levels show a median of $77,348. The poverty rate stands at 9.3%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $105,756 | - |
| Families | $97,455 | $119,790 |
| Households | $77,348 | $100,466 |
| Non Families | $40,856 | $62,039 |
Average Income
Median Household Income
Poverty Rate
