Rock Valley city, Iowa
Official LSAD Designation: Rock Valley city • Census GEOID: 1968205
• Sioux County
Rock Valley city is an incorporated city in Sioux County, Iowa. According to official records from the Census (2025), Rock Valley city had an estimated population of 4,188 residents. Official Census Bureau geographic records classify this community under LSAD designation Rock Valley city (GEOID 1968205).
Local Government Administration U.S. Census Bureau GMAF
City Of Rock Valley
Municipal
Official Title:
City Administrator
Address:
PO BOX 100, ROCK VALLEY IA 51247-0100
County Of Sioux
County
Official Title:
Auditor, Sioux County
Address:
PO BOX 18, ORANGE CITY IA 51041-0018
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 4,188 | 2025 |
| Median Household Income | $76,250 | 2020-2024 |
| Median Home Value | $231,200 | 2020-2024 |
| Land Area | 4.46 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).