Boundary Atlas

ZIP code 98029: Issaquah, WA

ZIP code 98029 is in Issaquah (61% of residents) and Sammamish (37%), in King County, Washington. It is in Washington's 8th congressional district. Its state senate districts are Legislative (Senate) District 5 (91%) and Legislative (Senate) District 41 (9.3%); its state house districts are Legislative (House) District 5 (91%) and Legislative (House) District 41 (9.3%).

31,432residents (2020 Census)
10.2 sq miland area
2cities and towns
1congressional district
34voting precincts

See it on the mapAll of Washington

City and county

City or townShare of ZIP residents
Issaquah61%
Sammamish37%

CountyShare of ZIP residents
King County100%

Town or county subdivisionShare of ZIP residents
Issaquah Plateau CCD100%

Congressional district

Congressional districtShare of ZIP residents
Washington's 8th congressional district (WA-08)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (WA-08)Kim Schrier (D)202-225-7761100%
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 5)Victoria Hunt (Democratic)91%
State Senator (Legislative (Senate) District 41)Lisa Wellman (Democratic)9.3%
State Representative (Legislative (House) District 5)Lisa Callan (Democratic)91%
State Representative (Legislative (House) District 5)Zach Hall (Democratic)91%
State Representative (Legislative (House) District 41)Janice Zahn (Democratic)9.3%
State Representative (Legislative (House) District 41)My-Linh Thai (Democratic)9.3%

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 591%
Legislative (Senate) District 419.3%

State house districtShare of ZIP residents
Legislative (House) District 591%
Legislative (House) District 419.3%

Voting precincts

34 voting precincts overlap ZIP 98029. Map them, with each precinct's share of the ZIP's residents.

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ZIP 98029 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.