ZIP code 98609: Cowlitz County, WA
ZIP code 98609 is in Cowlitz County, Washington, outside any city or Census-designated place. It is in Washington's 3rd congressional district. Its state senate district is Legislative (Senate) District 20; its state house district is Legislative (House) District 20.
See it on the mapAll of Washington
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Cowlitz County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Rose Valley CCD | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Washington's 3rd congressional district (WA-03) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (WA-03) | Marie Gluesenkamp Perez (D) | 202-225-3536 | 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 20) | John Braun (R) | 100% | |
| State Representative (Legislative (House) District 20) | Ed Orcutt (R) | 100% | |
| State Representative (Legislative (House) District 20) | Peter Abbarno (R) | 100% |
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
- Cowlitz County website: https://www.co.cowlitz.wa.us/
- Cowlitz County laws: search for the Cowlitz County, Washington code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| Legislative (Senate) District 20 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Legislative (House) District 20 | 100% |
Voting precincts
1 voting precinct overlap ZIP 98609. Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:98609")
ZIP 98609 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.