Boundary Atlas

ZIP code 98354: Milton, WA

ZIP code 98354 is in Milton (99% of residents) and Fife (1.0%), in Pierce County (81%) and King County (19%), Washington. It is in Washington's 6th congressional district (81%) and Washington's 9th congressional district (19%). Its state senate districts are Legislative (Senate) District 31 (99%) and Legislative (Senate) District 27 (1.0%); its state house districts are Legislative (House) District 31 (99%) and Legislative (House) District 27 (1.0%).

8,264residents (2020 Census)
2.8 sq miland area
2cities and towns
2congressional districts
10voting precincts

See it on the mapAll of Washington

City and county

City or townShare of ZIP residents
Milton99%
Fife1.0%

CountyShare of ZIP residents
Pierce County81%
King County19%

Town or county subdivisionShare of ZIP residents
Tacoma CCD81%
Federal Way-Auburn CCD19%

Congressional districts

Congressional districtShare of ZIP residents
Washington's 6th congressional district (WA-06)81%
Washington's 9th congressional district (WA-09)19%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (WA-06)Emily Randall (D)202-225-591681%
U.S. Representative (WA-09)Adam Smith (D)202-225-890119%
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 31)Phil Fortunato (R)99%
State Senator (Legislative (Senate) District 27)Yasmin Trudeau (Democratic)1.0%
State Senator (Legislative (Senate) District 30)Claire Wilson (Democratic)<0.1%
State Representative (Legislative (House) District 31)Drew Stokesbary (R)99%
State Representative (Legislative (House) District 31)Josh Penner (R)99%
State Representative (Legislative (House) District 27)Jake Fey (Democratic)1.0%
State Representative (Legislative (House) District 27)Laurie Jinkins (Democratic)1.0%
State Representative (Legislative (House) District 30)Jamila Taylor (Democratic)<0.1%
State Representative (Legislative (House) District 30)Kristine Reeves (Democratic)<0.1%

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

State legislative districts

State senate districtShare of ZIP residents
Legislative (Senate) District 3199%
Legislative (Senate) District 271.0%
Legislative (Senate) District 30land only

State house districtShare of ZIP residents
Legislative (House) District 3199%
Legislative (House) District 271.0%
Legislative (House) District 30land only

Voting precincts

10 voting precincts overlap ZIP 98354. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

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:98354")

ZIP 98354 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.