Boundary Atlas

ZIP code 98338: Graham, WA

ZIP code 98338 is in Graham (77% of residents), Elk Plain (15%), South Creek (1.9%) and Kapowsin (1.2%), in Pierce County, Washington. 5.4% of its residents live outside city limits. It is in Washington's 8th congressional district. Its state senate districts are Legislative (Senate) District 2 (87%) and Legislative (Senate) District 31 (13%); its state house districts are Legislative (House) District 2 (87%) and Legislative (House) District 31 (13%).

30,147residents (2020 Census)
53.9 sq miland area
6cities and towns
1congressional district
37voting precincts

See it on the mapAll of Washington

City and county

City or townShare of ZIP residents
Graham77%
Elk Plain15%
South Creek1.9%
Kapowsin1.2%
South Hill0.5%
Clear Lake0.2%

CountyShare of ZIP residents
Pierce County100%

Town or county subdivisionShare of ZIP residents
Graham-Thrift CCD96%
Roy CCD2.7%
Tacoma CCD0.5%
Puyallup CCD0.5%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
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 2)Jim McCune (R)87%
State Senator (Legislative (Senate) District 31)Phil Fortunato (R)13%
State Representative (Legislative (House) District 2)Andrew Barkis (R)87%
State Representative (Legislative (House) District 2)Matt Marshall (R)87%
State Representative (Legislative (House) District 31)Drew Stokesbary (R)13%
State Representative (Legislative (House) District 31)Josh Penner (R)13%

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 287%
Legislative (Senate) District 3113%

State house districtShare of ZIP residents
Legislative (House) District 287%
Legislative (House) District 3113%

Voting precincts

37 voting precincts overlap ZIP 98338. 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:98338")

ZIP 98338 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.