Eureka city, Kansas
Official LSAD Designation: Eureka city • Census GEOID: 2021800
• Greenwood County
Demographics & Population Profile
Population and demographics for Eureka city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 2,239 | — | 2025 | Census |
| Median Age | 42.5 yrs | ±5.9 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 940 | ±131 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).