Cosmopolis, Washington
Cosmopolis is a city in Grays Harbor County, Washington, with 1,638 residents in 2020. It is in Washington's 6th congressional district. Its state senate district is Legislative (Senate) District 19; its state house district is Legislative (House) District 19.
County
| County | Share of residents |
|---|---|
| Grays Harbor County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Washington's 6th congressional district (WA-06) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (WA-06) | Emily Randall (D) | 202-225-5916 | 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 19) | Jeff Wilson (R) | 100% | |
| State Representative (Legislative (House) District 19) | Jim Walsh (R) | 100% | |
| State Representative (Legislative (House) District 19) | Joel McEntire (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
- Cosmopolis website: https://www.cosmopoliswa.gov/
- Cosmopolis laws: search for the Cosmopolis, Washington code of ordinances
- Grays Harbor County website: http://www.co.grays-harbor.wa.us
- Grays Harbor County laws: search for the Grays Harbor County, Washington code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| Legislative (Senate) District 19 | 100% |
| State house district | Share of residents |
|---|---|
| Legislative (House) District 19 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Cosmopolis: the share of that ZIP's residents living in it.
- 98537 (75%)
Get this in your AI agent
Your agent can get Cosmopolis'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:5314870")
Cosmopolis 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.