Rainier city, Washington
Official LSAD Designation: Rainier city • Census GEOID: 5357220
• Thurston County
Demographics & Population Profile
Population and demographics for Rainier city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 2,495 | — | 2025 | Census |
| Median Age | 36.3 yrs | ±4.7 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 788 | ±110 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).