Centralia city, Washington
Official LSAD Designation: Centralia city • Census GEOID: 5311160
• Lewis County
Demographics & Population Profile
Population and demographics for Centralia city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 19,375 | — | 2025 | Census |
| Median Age | 39 yrs | ±2.4 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 7,894 | ±344 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).