Overview
- District ID
- or-sd-004
- State
- Oregon
- Chamber
- Upper chamber (state senate)
- District Code
- 004
- Land Area
- 146.4 sq mi
- Water Area
- 0.72 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 |
|---|
| Lane County | 146.37 sq mi | 100.0% | 3.2% |
Showing all 1 county
Places
Showing all 3 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 |
|---|
| OR District 4 | 142,435 | 100.0% | 20.2% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 128,558
- Active Voters
- 94,974 (73.9%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 50,311 | 39.1% |
| Republican | 19,314 | 15.0% |
| Unaffiliated | 49,081 | 38.2% |
| Other parties | 9,852 | 7.7% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 71,176 (55.4%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 58,731 (45.7%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 68,902 (53.6%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 53,083 (41.3%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 54,628 (42.5%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 39,854 (31.0%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 43,986 (34.2%) | 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 10/02/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".
Demographics
- Total Population
- 146,454 (± 2,056)
- Median Age
- 34.0
- Median Household Income
- $60,259 (± $2,191)
- High School Graduate or Higher (age 25+)
- 93.1%
- Bachelor's Degree or Higher (age 25+)
- 37.7%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 22,576 | 15.4% |
| 18 to 64 | 99,934 | 68.2% |
| 65 and over | 23,944 | 16.3% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 17,034 | 11.6% |
| White, not Hispanic | 111,275 | 76.0% |
| Black, not Hispanic | 1,710 | 1.2% |
| Asian, not Hispanic | 4,629 | 3.2% |
| American Indian / Alaska Native, not Hispanic | 1,265 | 0.9% |
| Native Hawaiian / Pacific Islander, not Hispanic | 202 | 0.1% |
| Some other race, not Hispanic | 723 | 0.5% |
| Two or more races, not Hispanic | 9,616 | 6.6% |
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
- 141,237
- Citizen Voting Age Population (CVAP)
- 118,974
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 126,862 | 89.8% |
| Hispanic | 14,374 | 10.2% |
| White | 112,526 | 79.7% |
| Black | 1,555 | 1.1% |
| Asian | 3,311 | 2.3% |
| American Indian / Alaska Native | 1,259 | 0.9% |
| Native Hawaiian / Pacific Islander | 169 | 0.1% |
| Two or More Races | 1,446 | 1.0% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 108,904 | 91.5% |
| Hispanic | 10,070 | 8.5% |
| White | 97,562 | 82.0% |
| Black | 1,925 | 1.6% |
| Asian | 5,400 | 4.5% |
| American Indian / Alaska Native | 2,798 | 2.4% |
| Native Hawaiian / Pacific Islander | 128 | 0.1% |
| Two or More Races | 1,133 | 1.0% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
