Kennewick, Washington
Kennewick is a city in Benton County, Washington, with 83,993 residents in 2020. It is in Washington's 4th congressional district. It spans 2 state senate and 2 state house districts.
County
| County | Share of residents |
|---|---|
| Benton County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Washington's 4th congressional district (WA-04) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (WA-04) | Dan Newhouse (R) | 202-225-5816 | 100% |
| U.S. Senator | Maria Cantwell (D) | 202-224-3441 · contact form | statewide |
| U.S. Senator | Patty Murray (D) | 202-224-2621 · contact form | statewide |
| State Senator (Legislative (Senate) District 8) | Matt Boehnke (R) | 100% | |
| State Senator (Legislative (Senate) District 14) | Curtis King (R) | 0.2% | |
| State Representative (Legislative (House) District 8) | April Connors (R) | 100% | |
| State Representative (Legislative (House) District 8) | Stephanie Barnard (R) | 100% | |
| State Representative (Legislative (House) District 14) | Deb Manjarrez (R) | 0.2% | |
| State Representative (Legislative (House) District 14) | Gloria Mendoza (R) | 0.2% |
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Kennewick website: https://www.go2kennewick.com/
- Kennewick laws: search for the Kennewick, Washington code of ordinances
- Benton County website: https://www.co.benton.wa.us/
- Benton County laws: search for the Benton County, Washington code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| Legislative (Senate) District 8 | 100% |
| Legislative (Senate) District 14 | 0.2% |
| State house district | Share of residents |
|---|---|
| Legislative (House) District 8 | 100% |
| Legislative (House) District 14 | 0.2% |
ZIP codes
Percentages mark ZIPs only partly in Kennewick: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Kennewick's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:5335275")
Kennewick here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.