Grinnell city, Iowa
Official LSAD Designation: Grinnell city • Census GEOID: 1933105
• Poweshiek County
Grinnell city is an incorporated city in Poweshiek County, Iowa. According to official records from the Census (2025), Grinnell city had an estimated population of 9,430 residents. Official Census Bureau geographic records classify this community under LSAD designation Grinnell city (GEOID 1933105).
Local Government Administration U.S. Census Bureau GMAF
City Of Grinnell
Municipal
Official Title:
City Clerk Fin Dir
Address:
927 4TH AVE, GRINNELL IA 50112-2043
County Of Poweshiek
County
Official Title:
Chairman
Address:
PO BOX 57, MONTEZUMA IA 50171-0057
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 9,430 | 2025 |
| Median Household Income | $65,320 | 2020-2024 |
| Median Home Value | $209,500 | 2020-2024 |
| Land Area | 5.69 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).