Jefferson city, Iowa
Official LSAD Designation: Jefferson city • Census GEOID: 1939450
• Greene County
Jefferson city is an incorporated city in Greene County, Iowa. According to official records from the Census (2025), Jefferson city had an estimated population of 4,150 residents. Official Census Bureau geographic records classify this community under LSAD designation Jefferson city (GEOID 1939450).
Local Government Administration U.S. Census Bureau GMAF
City Of Jefferson
Municipal
Official Title:
Mayor
Address:
220 N CHESTNUT ST, 4, JEFFERSON IA 50129-1997
County Of Greene
County
Official Title:
Greene County Auditor & Commissioner
Address:
114 N CHESTNUT ST, JEFFERSON IA 50129-2144
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 4,150 | 2025 |
| Median Household Income | $58,895 | 2020-2024 |
| Median Home Value | $155,800 | 2020-2024 |
| Land Area | 6.02 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).