Cornelius city, Oregon
Official LSAD Designation: Cornelius city • Census GEOID: 4115550
• Washington County
Demographics & Population Profile
Population and demographics for Cornelius city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 15,520 | — | 2025 | Census |
| Median Age | 35.1 yrs | ±2.1 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 4,843 | ±342 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).