Rock Rapids city, Iowa
Official LSAD Designation: Rock Rapids city • Census GEOID: 1968160
• Lyon County
Demographics & Population Profile
Population and demographics for Rock Rapids city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 2,733 | — | 2025 | Census |
| Median Age | 41 yrs | ±4 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 975 | ±80 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).