Irwin city, Iowa
Official LSAD Designation: Irwin city • Census GEOID: 1939000
• Shelby County
Irwin city is an incorporated city in Shelby County, Iowa. According to official records from the Census (2025), Irwin city had an estimated population of 315 residents. Official Census Bureau geographic records classify this community under LSAD designation Irwin city (GEOID 1939000).
Local Government Administration U.S. Census Bureau GMAF
City Of Irwin
Municipal
Official Title:
Mayor
Address:
PO BOX 7, IRWIN IA 51446-0007
County Of Shelby
County
Official Title:
Assistant To County Auditor
Address:
612 COURT ST, HARLAN IA 51537-1464
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 315 | 2025 |
| Median Household Income | $40,417 | 2020-2024 |
| Median Home Value | $72,900 | 2020-2024 |
| Land Area | 0.59 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).