Issaquah city, Washington
Official LSAD Designation: Issaquah city • Census GEOID: 5333805
• King County
Issaquah city is an incorporated city in King County, Washington. According to official records from the Census (2025), Issaquah city had an estimated population of 39,423 residents. Official Census Bureau geographic records classify this community under LSAD designation Issaquah city (GEOID 5333805).
Local Government Administration U.S. Census Bureau GMAF
City Of Issaquah
Municipal
Official Title:
Mayor
Address:
PO BOX 1307, ISSAQUAH WA 98027-0051
County Of King
County
Official Title:
Demographer
Address:
401 5TH AVE, STE 800, SEATTLE WA 98104-2391
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 39,423 | 2025 |
| Median Household Income | $154,669 | 2020-2024 |
| Median Home Value | $963,000 | 2020-2024 |
| Land Area | 12.13 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).