Grand Coulee city, Washington
Official LSAD Designation: Grand Coulee city • Census GEOID: 5327855
• Grant County
Demographics & Population Profile
Population and demographics for Grand Coulee city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 947 | — | 2025 | Census |
| Median Age | 47.2 yrs | ±6 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 425 | ±91 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).