ZIP code 98430: Pierce County, WA
ZIP code 98430 is in Pierce County, Washington, outside any city or Census-designated place. It is in Washington's 10th congressional district. Its state senate district is Legislative (Senate) District 28; its state house district is Legislative (House) District 28.
See it on the mapAll of Washington
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Pierce County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Fort Lewis-DuPont CCD | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Washington's 10th congressional district (WA-10) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (WA-10) | Marilyn Strickland (D) | 202-225-9740 | 100% |
| U.S. Senator | Maria Cantwell (D) | 202-224-3441 · contact form | statewide |
| U.S. Senator | Patty Murray (D) | 202-224-2621 · contact form | statewide |
| State Senator (Legislative (Senate) District 28) | T'wina Nobles (Democratic) | 100% | |
| State Representative (Legislative (House) District 28) | Dan Bronoske (Democratic) | 100% | |
| State Representative (Legislative (House) District 28) | Mari Leavitt (Democratic) | 100% |
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
- Pierce County website: https://piercecountywa.gov
- Pierce County laws: search for the Pierce County, Washington code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| Legislative (Senate) District 28 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Legislative (House) District 28 | 100% |
Voting precincts
2 voting precincts overlap ZIP 98430. 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:98430")
ZIP 98430 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.