Boundary Atlas

ZIP code 99122: Davenport, WA

ZIP code 99122 is in Davenport (43% of residents), in Lincoln County (98%) and Stevens County (2.3%), Washington. 57% of its residents live outside city limits. It is in Washington's 5th congressional district. Its state senate districts are Legislative (Senate) District 9 (98%) and Legislative (Senate) District 7 (2.3%); its state house districts are Legislative (House) District 9 (98%) and Legislative (House) District 7 (2.3%).

3,989residents (2020 Census)
601.1 sq miland area
1cities and towns
1congressional district
21voting precincts

See it on the mapAll of Washington

City and county

City or townShare of ZIP residents
Davenport43%

CountyShare of ZIP residents
Lincoln County98%
Stevens County2.3%

Town or county subdivisionShare of ZIP residents
Davenport CCD94%
Odessa CCD3.6%
Spokane Reservation CCD2.3%
Wilbur CCD0.3%

Congressional district

Congressional districtShare of ZIP residents
Washington's 5th congressional district (WA-05)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (WA-05)Michael Baumgartner (R)202-225-2006100%
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 9)Mark Schoesler (R)98%
State Senator (Legislative (Senate) District 7)Shelly Short (R)2.3%
State Representative (Legislative (House) District 9)Joe Schmick (R)98%
State Representative (Legislative (House) District 9)Mary Dye (R)98%
State Representative (Legislative (House) District 7)Andrew Engell (R)2.3%
State Representative (Legislative (House) District 7)Hunter Abell (R)2.3%

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 998%
Legislative (Senate) District 72.3%

State house districtShare of ZIP residents
Legislative (House) District 998%
Legislative (House) District 72.3%

Voting precincts

21 voting precincts overlap ZIP 99122. 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:99122")

ZIP 99122 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.