Boundary Atlas

ZIP code 98409: Tacoma, WA

ZIP code 98409 is in Tacoma (99% of residents), in Pierce County, Washington. It is in Washington's 6th congressional district (99%) and Washington's 10th congressional district (0.8%). Its state senate districts are Legislative (Senate) District 29 (50%) and Legislative (Senate) District 27 (50%); its state house districts are Legislative (House) District 29 (50%) and Legislative (House) District 27 (50%).

27,840residents (2020 Census)
7.1 sq miland area
2cities and towns
2congressional districts
19voting precincts

See it on the mapAll of Washington

City and county

City or townShare of ZIP residents
Tacoma99%
Lakewood0.8%

CountyShare of ZIP residents
Pierce County100%

Town or county subdivisionShare of ZIP residents
Tacoma CCD100%

Congressional districts

Congressional districtShare of ZIP residents
Washington's 6th congressional district (WA-06)99%
Washington's 10th congressional district (WA-10)0.8%

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.

State legislative districts

State senate districtShare of ZIP residents
Legislative (Senate) District 2950%
Legislative (Senate) District 2750%

State house districtShare of ZIP residents
Legislative (House) District 2950%
Legislative (House) District 2750%

Voting precincts

19 voting precincts overlap ZIP 98409. 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:98409")

ZIP 98409 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.