Republic County's 2026 population is estimated at 4,623, reflecting a 0.11% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Republic County is the 70th largest county in Kansas. The 2010 population was 4,938 and has grown -6.38% since 2010.
Data after 2023 is projected based on recent change
Overall: 44.9 years
Female: 48.3 years
Male: 41.9 years
There are 3,506 adults, (1,243 of whom are seniors) in Republic County.
Female: 2,319 (49.9%)
Male: 2,327 (50.1%)
The racial composition of Republic County includes 93.46% White, and smaller percentages for other race, Black or African American, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 4,342 | 93.46% |
| Two or more races | 171 | 3.68% |
| Other race | 110 | 2.37% |
| Black or African American | 22 | 0.47% |
| Native American | 1 | 0.02% |
Republic County 's average per capita income is $37,578. Household income levels show a median of $56,833. The poverty rate stands at 10.63%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $80,000 | - |
| Families | $74,329 | $94,292 |
| Households | $56,833 | $71,696 |
| Non Families | $28,017 | $40,762 |
Average Income
Median Household Income
Poverty Rate