Overview
- District ID
- wa-sd-047
- State
- Washington
- Chamber
- Upper chamber (state senate)
- District Code
- 047
- Land Area
- 62.6 sq mi
- Water Area
- 2.02 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
| County | Overlap | Share of district land | Share of county land |
|---|
| King County | 62.57 sq mi | 100.0% | 3.0% |
Showing all 1 county
Places
Showing all 7 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 8 | 78,511 | 50.0% | 10.2% | 68.8% |
| WA District 9 | 78,491 | 50.0% | 10.2% | 31.2% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 100,832
- Active Voters
- 93,918 (93.1%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 31,041 (30.8%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 66,927 (66.4%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 48,917 (48.5%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 64,599 (64.1%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 44,990 (44.6%) | 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
- 155,639 (± 2,910)
- Median Age
- 37.1
- Median Household Income
- $106,938 (± $4,384)
- High School Graduate or Higher (age 25+)
- 90.2%
- Bachelor's Degree or Higher (age 25+)
- 31.0%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 37,608 | 24.2% |
| 18 to 64 | 97,577 | 62.7% |
| 65 and over | 20,454 | 13.1% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 20,898 | 13.4% |
| White, not Hispanic | 77,528 | 49.8% |
| Black, not Hispanic | 13,514 | 8.7% |
| Asian, not Hispanic | 28,306 | 18.2% |
| American Indian / Alaska Native, not Hispanic | 1,093 | 0.7% |
| Native Hawaiian / Pacific Islander, not Hispanic | 2,284 | 1.5% |
| Some other race, not Hispanic | 501 | 0.3% |
| Two or more races, not Hispanic | 11,515 | 7.4% |
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
- 135,893
- Citizen Voting Age Population (CVAP)
- 101,061
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 120,234 | 88.5% |
| Hispanic | 15,658 | 11.5% |
| White | 75,043 | 55.2% |
| Black | 12,287 | 9.0% |
| Asian | 20,965 | 15.4% |
| American Indian / Alaska Native | 1,045 | 0.8% |
| Native Hawaiian / Pacific Islander | 1,614 | 1.2% |
| Two or More Races | 1,342 | 1.0% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 92,617 | 91.6% |
| Hispanic | 8,445 | 8.4% |
| White | 60,847 | 60.2% |
| Black | 9,731 | 9.6% |
| Asian | 18,769 | 18.6% |
| American Indian / Alaska Native | 1,681 | 1.7% |
| Native Hawaiian / Pacific Islander | 910 | 0.9% |
| Two or More Races | 725 | 0.7% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
