Steilacoom, Washington
Steilacoom is a town in Pierce County, Washington, with 6,727 residents in 2020. 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.
County
| County | Share of residents |
|---|---|
| Pierce County | 100% |
Congressional district
| Congressional district | Share of 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
- Steilacoom website: https://townofsteilacoom.org
- Steilacoom laws: search for the Steilacoom, Washington code of ordinances
- 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 residents |
|---|---|
| Legislative (Senate) District 28 | 100% |
| State house district | Share of residents |
|---|---|
| Legislative (House) District 28 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Steilacoom: the share of that ZIP's residents living in it.
- 98388 (95%)
Get this in your AI agent
Your agent can get Steilacoom's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:5367770")
Steilacoom here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.