Boundary Atlas

Washington's 8th congressional district (WA-08)

Washington's 8th congressional district (WA-08) covers parts or all of Chelan County, Kittitas County, King County, Pierce County, Snohomish County and Douglas County, and 81 ZIP codes (51 wholly inside it). Its 2020 population was 769,847. This is the map in force for the November 3, 2026 election.

769,847residents (2020 Census)
6counties
81ZIP codes
946voting precincts

Who represents WA-08

OfficeMemberContact
U.S. Representative (WA-08)Kim Schrier (D)202-225-7761
U.S. SenatorMaria Cantwell (D)202-224-3441 · contact form
U.S. SenatorPatty Murray (D)202-224-2621 · contact form

Officials serving now (members of Congress until January 3, 2027). Sources: Members of Congress: the @unitedstates project, congress-legislators (CC0).

Counties

CountyShare of the county's residents in WA-08
Chelan County100%
Kittitas County100%
King County18%
Pierce County18%
Snohomish County7.2%
Douglas County1.4%

ZIP codes

Percentages mark ZIPs only partly in WA-08: the share of that ZIP's residents inside it.

Towns

Buckley CCD, Cashmere CCD, Chelan CCD, Cle Elum CCD, Darrington CCD, Eatonville CCD, Ellensburg CCD, Entiat CCD, Issaquah Plateau CCD, Kittitas CCD, Leavenworth-Lake Wenatchee CCD, Malaga CCD, Manastash Ridge CCD, Manson CCD, Mount Rainier CCD, Northeast Kittitas CCD, Snoqualmie Valley CCD, Stehekin CCD, Sultan CCD, Wenatchee CCD, Tahoma-Maple Valley CCD, Enumclaw Plateau CCD, Roy CCD, Granite Falls CCD, Graham-Thrift CCD, Arlington CCD, Puyallup CCD, Monroe CCD, Stanwood CCD, Seattle East CCD, Federal Way-Auburn CCD, East Wenatchee CCD, Seattle CCD, Snohomish CCD and Tacoma CCD.

Get this in your AI agent

Your agent can draw every precinct in WA-08, or list them with population shares (related_geographies). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

get_boundaries(id="us:congressional_district:5308", children_level="precinct", include_districts=True)