Kennewick city, Washington
Official LSAD Designation: Kennewick city • Census GEOID: 5335275
• Benton County
Kennewick city is an incorporated city in Benton County, Washington. According to official records from the Census (2025), Kennewick city had an estimated population of 88,366 residents. Official Census Bureau geographic records classify this community under LSAD designation Kennewick city (GEOID 5335275).
Local Government Administration U.S. Census Bureau GMAF
City Of Kennewick
Municipal
Official Title:
Planning Director
Address:
PO BOX 6108, KENNEWICK WA 99336-0108
County Of Benton
County
Official Title:
Finance Manager
Address:
PO BOX 190, PROSSER WA 99350-0190
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 88,366 | 2025 |
| Median Household Income | $73,576 | 2020-2024 |
| Median Home Value | $370,700 | 2020-2024 |
| Land Area | 28.62 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).