Boundary Atlas

Maple Valley, Washington

Maple Valley is a city in King County, Washington, with 28,013 residents in 2020. It is in Washington's 8th congressional district. Its state senate district is Legislative (Senate) District 5; its state house district is Legislative (House) District 5.

28,013residents (2020 Census)
6.0 sq miland area
1ZIP codes
1congressional district

County

CountyShare of residents
King County100%

Congressional district

Congressional districtShare of residents
Washington's 8th congressional district (WA-08)100%

Elected officials

OfficeMemberContactShare of residents
MayorSean P. Kellycitywide
U.S. Representative (WA-08)Kim Schrier (D)202-225-7761100%
U.S. SenatorMaria Cantwell (D)202-224-3441 · contact formstatewide
U.S. SenatorPatty Murray (D)202-224-2621 · contact formstatewide
State Senator (Legislative (Senate) District 5)Victoria Hunt (Democratic)100%
State Representative (Legislative (House) District 5)Lisa Callan (Democratic)100%
State Representative (Legislative (House) District 5)Zach Hall (Democratic)100%

From Wikidata (community-maintained); confirm on the city's website.

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); Mayors: Wikidata (CC0).

Local government

State legislative districts

State senate districtShare of residents
Legislative (Senate) District 5100%

State house districtShare of residents
Legislative (House) District 5100%

ZIP codes

Percentages mark ZIPs only partly in Maple Valley: the share of that ZIP's residents living in it.

Get this in your AI agent

Your agent can get Maple Valley'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:5343150")

Maple Valley 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.