Thornburg city, Iowa
Official LSAD Designation: Thornburg city • Census GEOID: 1977835
• Keokuk County
Thornburg city is an incorporated city in Keokuk County, Iowa. According to official records from the Census (2025), Thornburg city had an estimated population of 44 residents. Official Census Bureau geographic records classify this community under LSAD designation Thornburg city (GEOID 1977835).
Local Government Administration U.S. Census Bureau GMAF
City Of Thornburg
Municipal
Official Title:
City Clerk
Address:
PO BOX 43, THORNBURG IA 50255
County Of Keokuk
County
Official Title:
Accountants
Address:
PO BOX 533, OTTUMWA IA 52501-0533
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 44 | 2025 |
| Median Household Income | $39,861 | 2020-2024 |
| Median Home Value | Data unavailable | ACS 5-Year |
| Land Area | 0.20 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).