West Columbia city, South Carolina
Official LSAD Designation: West Columbia city • Census GEOID: 4575850
• Lexington County / Richland County
Demographics & Population Profile
Population and demographics for West Columbia city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 18,489 | — | 2025 | Census |
| Median Age | 38.6 yrs | ±3.2 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 8,516 | ±405 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).