Boundary Atlas

Bellevue, Washington

Bellevue is a city in King County, Washington, with 151,854 residents in 2020. It spans 2 congressional districts: WA-09 (55%) and WA-01 (45%). It spans 2 state senate and 2 state house districts.

151,854residents (2020 Census)
33.5 sq miland area
5ZIP codes
2congressional districts

County

CountyShare of residents
King County100%

Congressional districts

Congressional districtShare of residents
Washington's 9th congressional district (WA-09)55%
Washington's 1st congressional district (WA-01)45%

Elected officials

OfficeMemberContactShare of residents
MayorMo Malakoutian425-452-7810citywide
U.S. Representative (WA-09)Adam Smith (D)202-225-890155%
U.S. Representative (WA-01)Suzan K. DelBene (D)202-225-631145%
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 41)Lisa Wellman (Democratic)51%
State Senator (Legislative (Senate) District 48)Vandana Slatter (Democratic)49%
State Representative (Legislative (House) District 41)Janice Zahn (Democratic)51%
State Representative (Legislative (House) District 41)My-Linh Thai (Democratic)51%
State Representative (Legislative (House) District 48)Amy Walen (Democratic)49%
State Representative (Legislative (House) District 48)Osman Salahuddin (Democratic)49%

Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of residents
Legislative (Senate) District 4151%
Legislative (Senate) District 4849%

State house districtShare of residents
Legislative (House) District 4151%
Legislative (House) District 4849%

ZIP codes

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

Get this in your AI agent

Your agent can get Bellevue'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:5305210")

Bellevue 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.