Quincy city, Washington
Official LSAD Designation: Quincy city • Census GEOID: 5357115
• Grant County
Quincy city is an incorporated city in Grant County, Washington. According to official records from the Census (2025), Quincy city had an estimated population of 8,510 residents. Official Census Bureau geographic records classify this community under LSAD designation Quincy city (GEOID 5357115).
Local Government Administration U.S. Census Bureau GMAF
City Of Quincy
Municipal
Official Title:
Deputy Finance Officer/deputy Clerk
Address:
PO BOX 338, QUINCY WA 98848-0338
County Of Grant
County
Official Title:
Clerk Of The Board, Administrative A
Address:
PO BOX 37, EPHRATA WA 98823-0037
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 8,510 | 2025 |
| Median Household Income | $87,902 | 2020-2024 |
| Median Home Value | $336,800 | 2020-2024 |
| Land Area | 6.69 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).