Overview
- District ID
- wa-sd-016
- State
- Washington
- Chamber
- Upper chamber (state senate)
- District Code
- 016
- Land Area
- 3,315 sq mi
- Water Area
- 69.6 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 4 counties
Places
Showing all 19 places
Overlapping Congressional Districts
| Congressional district | Population in both | Share of this district's population | Share of the congressional district's population | Share of this district's land |
|---|
| WA District 4 | 84,979 | 52.8% | 11.1% | 27.9% |
| WA District 5 | 75,945 | 47.2% | 9.8% | 72.1% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 106,442
- Active Voters
- 99,029 (93.0%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 33,692 (31.7%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 74,046 (69.6%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 55,973 (52.6%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 68,728 (64.6%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 50,369 (47.3%) | 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
- 163,669 (± 2,110)
- Median Age
- 34.9
- Median Household Income
- $86,195 (± $2,589)
- High School Graduate or Higher (age 25+)
- 88.8%
- Bachelor's Degree or Higher (age 25+)
- 30.4%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 40,600 | 24.8% |
| 18 to 64 | 97,812 | 59.8% |
| 65 and over | 25,257 | 15.4% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 45,817 | 28.0% |
| White, not Hispanic | 103,120 | 63.0% |
| Black, not Hispanic | 2,234 | 1.4% |
| Asian, not Hispanic | 3,821 | 2.3% |
| American Indian / Alaska Native, not Hispanic | 516 | 0.3% |
| Native Hawaiian / Pacific Islander, not Hispanic | 348 | 0.2% |
| Some other race, not Hispanic | 1,306 | 0.8% |
| Two or more races, not Hispanic | 6,507 | 4.0% |
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
- 152,792
- Citizen Voting Age Population (CVAP)
- 113,335
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 115,957 | 75.9% |
| Hispanic | 36,832 | 24.1% |
| White | 104,664 | 68.5% |
| Black | 2,165 | 1.4% |
| Asian | 2,970 | 1.9% |
| American Indian / Alaska Native | 516 | 0.3% |
| Native Hawaiian / Pacific Islander | 339 | 0.2% |
| Two or More Races | 694 | 0.5% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 92,403 | 81.5% |
| Hispanic | 20,934 | 18.5% |
| White | 84,020 | 74.1% |
| Black | 2,179 | 1.9% |
| Asian | 3,387 | 3.0% |
| American Indian / Alaska Native | 2,048 | 1.8% |
| Native Hawaiian / Pacific Islander | 316 | 0.3% |
| Two or More Races | 466 | 0.4% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
