Eureka city, Kansas
Official LSAD Designation: Eureka city • Census GEOID: 2021800
• Greenwood County
Eureka city is an incorporated city in Greenwood County, Kansas. According to official records from the Census (2025), Eureka city had an estimated population of 2,239 residents. Official Census Bureau geographic records classify this community under LSAD designation Eureka city (GEOID 2021800).
Local Government Administration U.S. Census Bureau GMAF
City Of Eureka
Municipal
Official Title:
Mayor
Address:
PO BOX 68, EUREKA KS 67045-0068
County Of Greenwood
County
Official Title:
Administrator
Address:
311 N MAIN ST, SUITE 3, EUREKA KS 67045-1321
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 2,239 | 2025 |
| Median Household Income | $48,828 | 2020-2024 |
| Median Home Value | $79,200 | 2020-2024 |
| Land Area | 2.29 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).