St. Helens city, Oregon
Official LSAD Designation: St. Helens city • Census GEOID: 4164600
• Columbia County
Demographics & Population Profile
Population and demographics for St. Helens city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 14,450 | — | 2025 | Census |
| Median Age | 39.8 yrs | ±2.7 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 5,403 | ±256 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).