North Plains city, Oregon
Official LSAD Designation: North Plains city • Census GEOID: 4153150
• Washington County
Demographics & Population Profile
Population and demographics for North Plains city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 3,414 | — | 2025 | Census |
| Median Age | 36.3 yrs | ±1.1 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 1,287 | ±136 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).