Washington Legislative (House) District 8

State Legislative District Profile (Lower Chamber)

Overview

District ID
wa-hd-008
State
Washington
Chamber
Lower chamber
District Code
008
Land Area
514.5 sq mi
Water Area
4.1 sq mi

Boundary

Boundary of Washington Legislative (House) District 8

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Benton County505.98 sq mi98.3%29.8%
Franklin County8.56 sq mi1.7%0.7%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Kennewick city26.98 sq mi5.2%94.6%
Richland city14.93 sq mi2.9%35.2%
Pasco city6.92 sq mi1.3%17.8%
West Richland city4.61 sq mi0.9%20.9%
West Pasco CDP1.65 sq mi0.3%100.0%
Finley CDP1.14 sq mi0.2%9.9%

Showing all 6 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 4156,927100.0%20.4%100.0%

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

Voters

Registered Voters
109,732
Active Voters
102,694 (93.6%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202631,832 (29.0%)0 (0.0%)0 (0.0%)
2023–202476,797 (70.0%)0 (0.0%)0 (0.0%)
2021–202257,463 (52.4%)0 (0.0%)0 (0.0%)
2019–202071,337 (65.0%)0 (0.0%)0 (0.0%)
2017–201850,545 (46.1%)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
158,523 (± 2,276)
Median Age
36.7
Median Household Income
$92,506 (± $3,681)
High School Graduate or Higher (age 25+)
89.5%
Bachelor's Degree or Higher (age 25+)
33.6%

Population by Age

GroupPeopleShare
Under 1841,95026.5%
18 to 6490,80957.3%
65 and over25,76416.3%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)43,04727.2%
White, not Hispanic98,64562.2%
Black, not Hispanic3,4242.2%
Asian, not Hispanic5,2323.3%
American Indian / Alaska Native, not Hispanic5910.4%
Native Hawaiian / Pacific Islander, not Hispanic3820.2%
Some other race, not Hispanic7050.4%
Two or more races, not Hispanic6,4974.1%

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
148,398
Citizen Voting Age Population (CVAP)
107,468

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic112,97376.1%
Hispanic35,42223.9%
White100,06367.4%
Black3,1932.2%
Asian4,3252.9%
American Indian / Alaska Native5900.4%
Native Hawaiian / Pacific Islander2990.2%
Two or More Races4710.3%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic87,72081.6%
Hispanic19,74818.4%
White79,50674.0%
Black2,5742.4%
Asian3,7953.5%
American Indian / Alaska Native1,4471.3%
Native Hawaiian / Pacific Islander1850.2%
Two or More Races2370.2%

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