Boundary Atlas

ZIP code 98274: Mount Vernon, WA

ZIP code 98274 is in Mount Vernon (62% of residents), Big Lake (16%), Lake McMurray (2.0%) and Lake Cavanaugh (1.1%), in Skagit County, Washington. 19% of its residents live outside city limits. It is in Washington's 2nd congressional district. Its state senate districts are Legislative (Senate) District 40 (52%), Legislative (Senate) District 39 (32%) and Legislative (Senate) District 10 (16%); its state house districts are Legislative (House) District 40 (52%), Legislative (House) District 39 (32%) and Legislative (House) District 10 (16%).

18,949residents (2020 Census)
143.1 sq miland area
4cities and towns
1congressional district
22voting precincts

See it on the mapAll of Washington

City and county

City or townShare of ZIP residents
Mount Vernon62%
Big Lake16%
Lake McMurray2.0%
Lake Cavanaugh1.1%

CountyShare of ZIP residents
Skagit County100%

Town or county subdivisionShare of ZIP residents
Mount Vernon CCD70%
Conway CCD15%
Lake Cavanaugh CCD15%

Congressional district

Congressional districtShare of ZIP residents
Washington's 2nd congressional district (WA-02)100%

Elected officials

OfficeMemberContactShare of residents
MayorPeter Donovan360-336-621162%
U.S. Representative (WA-02)Rick Larsen (D)202-225-2605100%
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 40)Liz Lovelett (Democratic)52%
State Senator (Legislative (Senate) District 39)Keith Wagoner (R)32%
State Senator (Legislative (Senate) District 10)Ron Muzzall (R)16%
State Representative (Legislative (House) District 40)Alex Ramel (Democratic)52%
State Representative (Legislative (House) District 40)Debra Lekanoff (Democratic)52%
State Representative (Legislative (House) District 39)Carolyn Eslick (R)32%
State Representative (Legislative (House) District 39)Sam Low (R)32%
State Representative (Legislative (House) District 10)Clyde Shavers (Democratic)16%
State Representative (Legislative (House) District 10)Dave Paul (Democratic)16%

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 ZIP residents
Legislative (Senate) District 4052%
Legislative (Senate) District 3932%
Legislative (Senate) District 1016%

State house districtShare of ZIP residents
Legislative (House) District 4052%
Legislative (House) District 3932%
Legislative (House) District 1016%

Voting precincts

22 voting precincts overlap ZIP 98274. Map them, with each precinct's share of the ZIP's residents.

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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:98274")

ZIP 98274 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.