Hamilton County's 2026 population is estimated at 2,546, reflecting a 1.15% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Hamilton County is the 89th largest county in Kansas. The 2010 population was 2,705 and has grown -5.88% since 2010.
Data after 2023 is projected based on recent change
Overall: 32.1 years
Female: 32.6 years
Male: 32 years
There are 1,635 adults, (291 of whom are seniors) in Hamilton County.
Female: 1,280 (51.8%)
Male: 1,191 (48.2%)
The racial composition of Hamilton County includes 62.65% White, 9.87% other race, and smaller percentages for Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 1,548 | 62.65% |
| Two or more races | 678 | 27.44% |
| Other race | 244 | 9.87% |
| Black or African American | 1 | 0.04% |
Hamilton County 's average per capita income is $46,736. Household income levels show a median of $70,250. The poverty rate stands at 7.03%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $109,844 | - |
| Families | $87,250 | $97,671 |
| Households | $70,250 | $82,468 |
| Non Families | $16,875 | $26,164 |
Average Income
Median Household Income
Poverty Rate
