Boundary Atlas

Rainier, Washington

Rainier is a city in Thurston County, Washington, with 2,369 residents in 2020. It is in Washington's 3rd congressional district. Its state senate district is Legislative (Senate) District 2; its state house district is Legislative (House) District 2.

2,369residents (2020 Census)
1.7 sq miland area
1ZIP codes
1congressional district

County

CountyShare of residents
Thurston County100%

Congressional district

Congressional districtShare of residents
Washington's 3rd congressional district (WA-03)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (WA-03)Marie Gluesenkamp Perez (D)202-225-3536100%
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)100%
State Representative (Legislative (House) District 2)Andrew Barkis (R)100%
State Representative (Legislative (House) District 2)Matt Marshall (R)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

State legislative districts

State senate districtShare of residents
Legislative (Senate) District 2100%

State house districtShare of residents
Legislative (House) District 2100%

ZIP codes

Percentages mark ZIPs only partly in Rainier: the share of that ZIP's residents living in it.

Get this in your AI agent

Your agent can get Rainier'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:5357220")

Rainier 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.