Washington Legislative (House) District 13

State Legislative District Profile (Lower Chamber)

Overview

District ID
wa-hd-013
State
Washington
Chamber
Lower chamber
District Code
013
Land Area
5,034.6 sq mi
Water Area
146.2 sq mi

Boundary

Boundary of Washington Legislative (House) District 13

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Grant County2463.84 sq mi48.9%92.0%
Kittitas County2297.28 sq mi45.6%100.0%
Douglas County142.69 sq mi2.8%7.8%
Adams County130.76 sq mi2.6%6.8%

Showing all 4 counties

Places

PlaceOverlapShare of district landShare of place land
Moses Lake city17.95 sq mi0.4%98.9%
Ephrata city10.44 sq mi0.2%99.6%
Ellensburg city7.71 sq mi0.2%88.8%
Quincy city6.05 sq mi0.1%90.5%
Moses Lake North CDP5.74 sq mi0.1%100.0%
Cle Elum city4.49 sq mi0.1%100.0%
Roslyn city4.39 sq mi0.1%100.0%
Cascade Valley CDP3.72 sq mi0.1%100.0%
Easton CDP3.21 sq mi0.1%100.0%
Warden city2.93 sq mi0.1%98.2%
Snoqualmie Pass CDP2.92 sq mi0.1%99.3%
Desert Aire CDP2.91 sq mi0.1%85.8%
Banks Lake South CDP2.44 sq mi<0.1%100.0%
Electric City city1.99 sq mi<0.1%100.0%
Soap Lake city1.54 sq mi<0.1%100.0%
George city1.38 sq mi<0.1%100.0%
Grand Coulee city1.26 sq mi<0.1%100.0%
Thorp CDP1.22 sq mi<0.1%100.0%
Othello city1.19 sq mi<0.1%24.7%
Royal City city1.16 sq mi<0.1%100.0%
Rock Island city1.13 sq mi<0.1%100.0%
Lakeview CDP1.13 sq mi<0.1%100.0%
Crescent Bar CDP1.01 sq mi<0.1%100.0%
Wilson Creek town0.97 sq mi<0.1%100.0%
Ronald CDP0.93 sq mi<0.1%100.0%

Showing top 25 of 38 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
WA District 4112,74171.8%14.7%54.4%
WA District 844,33728.2%5.8%45.6%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
97,392
Active Voters
90,855 (93.3%)

Party Registration

This state's voter file does not record party registration.

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202631,212 (32.0%)0 (0.0%)0 (0.0%)
2023–202468,240 (70.1%)0 (0.0%)0 (0.0%)
2021–202252,501 (53.9%)0 (0.0%)0 (0.0%)
2019–202064,877 (66.6%)0 (0.0%)0 (0.0%)
2017–201846,187 (47.4%)0 (0.0%)0 (0.0%)

Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.

Browse the voter list for this district (premium access; sign-in required)

Source: Civitech voter file snapshot as of 01/02/2026. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Population
162,748 (± 1,299)
Median Age
34.0
Median Household Income
$72,944 (± $2,916)
High School Graduate or Higher (age 25+)
83.3%
Bachelor's Degree or Higher (age 25+)
23.6%

Population by Age

GroupPeopleShare
Under 1841,04725.2%
18 to 6497,04259.6%
65 and over24,65915.2%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)58,23735.8%
White, not Hispanic92,19556.6%
Black, not Hispanic1,7421.1%
Asian, not Hispanic1,7431.1%
American Indian / Alaska Native, not Hispanic7870.5%
Native Hawaiian / Pacific Islander, not Hispanic1220.1%
Some other race, not Hispanic6930.4%
Two or more races, not Hispanic7,2294.4%

Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.

Citizen Voting Age Population

Total Citizen Population
145,896
Citizen Voting Age Population (CVAP)
105,758

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic103,07770.7%
Hispanic42,82229.4%
White94,96065.1%
Black1,4861.0%
Asian1,2470.9%
American Indian / Alaska Native7730.5%
Native Hawaiian / Pacific Islander1120.1%
Two or More Races3900.3%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic83,66579.1%
Hispanic22,08620.9%
White77,70273.5%
Black1,5811.5%
Asian1,9051.8%
American Indian / Alaska Native2,1932.1%
Native Hawaiian / Pacific Islander660.1%
Two or More Races3060.3%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).