Boundary Atlas

ZIP code 98823: Ephrata, WA

ZIP code 98823 is in Ephrata (68% of residents), in Grant County (99%) and Douglas County (1.0%), Washington. 32% of its residents live outside city limits. It is in Washington's 4th congressional district. Its state senate districts are Legislative (Senate) District 13 (99%) and Legislative (Senate) District 7 (0.9%); its state house districts are Legislative (House) District 13 (99%) and Legislative (House) District 7 (0.9%).

12,393residents (2020 Census)
298.2 sq miland area
1cities and towns
1congressional district
14voting precincts

See it on the mapAll of Washington

City and county

City or townShare of ZIP residents
Ephrata68%

CountyShare of ZIP residents
Grant County99%
Douglas County1.0%

Town or county subdivisionShare of ZIP residents
Ephrata-Soap Lake CCD97%
Quincy CCD2.1%
Waterville CCD1.0%

Congressional district

Congressional districtShare of ZIP residents
Washington's 4th congressional district (WA-04)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (WA-04)Dan Newhouse (R)202-225-5816100%
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 13)Judy Warnick (R)99%
State Senator (Legislative (Senate) District 7)Shelly Short (R)0.9%
State Representative (Legislative (House) District 13)Alex Ybarra (R)99%
State Representative (Legislative (House) District 13)Tom Dent (R)99%
State Representative (Legislative (House) District 7)Andrew Engell (R)0.9%
State Representative (Legislative (House) District 7)Hunter Abell (R)0.9%

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 1399%
Legislative (Senate) District 70.9%

State house districtShare of ZIP residents
Legislative (House) District 1399%
Legislative (House) District 70.9%

Voting precincts

14 voting precincts overlap ZIP 98823. Map them, with each precinct's share of the ZIP's residents.

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ZIP 98823 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.