Onslow city, Iowa
Official LSAD Designation: Onslow city • Census GEOID: 1959250
• Jones County
Onslow city is an incorporated city in Jones County, Iowa. According to official records from the Census (2025), Onslow city had an estimated population of 197 residents. Official Census Bureau geographic records classify this community under LSAD designation Onslow city (GEOID 1959250).
Local Government Administration U.S. Census Bureau GMAF
City Of Onslow
Municipal
Official Title:
City Cledrk
Address:
PO BOX 25, ONSLOW IA 52321-0025
County Of Jones
County
Official Title:
County Auditor
Address:
PO BOX 109, ANAMOSA IA 52205-0109
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 197 | 2025 |
| Median Household Income | $65,313 | 2020-2024 |
| Median Home Value | $100,000 | 2020-2024 |
| Land Area | 0.19 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).