Quincy city, Washington
Official LSAD Designation: Quincy city • Census GEOID: 5357115
• Grant County
Demographics & Population Profile
Population and demographics for Quincy city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 8,510 | — | 2025 | Census |
| Median Age | 32.6 yrs | ±3.4 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 2,602 | ±295 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).