Overview
- District ID
- or-hd-031
- State
- Oregon
- Chamber
- Lower chamber
- District Code
- 031
- Land Area
- 1,117.5 sq mi
- Water Area
- 28.5 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 13 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 1 | 71,239 | 100.0% | 10.1% | 100.0% |
| OR District 6 | 34 | <0.1% | <0.1% | <0.1% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 69,534
- Active Voters
- 57,893 (83.3%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 17,810 | 25.6% |
| Republican | 19,578 | 28.2% |
| Unaffiliated | 27,049 | 38.9% |
| Other parties | <10 | — |
| No party recorded | <10 | — |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 44,577 (64.1%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 38,322 (55.1%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 44,274 (63.7%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 33,581 (48.3%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 35,533 (51.1%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 26,826 (38.6%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 29,417 (42.3%) | 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 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
- 72,215 (± 1,586)
- Median Age
- 43.4
- Median Household Income
- $94,963 (± $3,901)
- High School Graduate or Higher (age 25+)
- 91.1%
- Bachelor's Degree or Higher (age 25+)
- 26.2%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 14,736 | 20.4% |
| 18 to 64 | 42,940 | 59.5% |
| 65 and over | 14,539 | 20.1% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 4,676 | 6.5% |
| White, not Hispanic | 60,365 | 83.6% |
| Black, not Hispanic | 507 | 0.7% |
| Asian, not Hispanic | 1,415 | 2.0% |
| American Indian / Alaska Native, not Hispanic | 393 | 0.5% |
| Native Hawaiian / Pacific Islander, not Hispanic | 255 | 0.4% |
| Some other race, not Hispanic | 384 | 0.5% |
| Two or more races, not Hispanic | 4,220 | 5.8% |
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
- 70,868
- Citizen Voting Age Population (CVAP)
- 56,238
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 66,463 | 93.8% |
| Hispanic | 4,405 | 6.2% |
| White | 61,316 | 86.5% |
| Black | 524 | 0.7% |
| Asian | 957 | 1.4% |
| American Indian / Alaska Native | 393 | 0.6% |
| Native Hawaiian / Pacific Islander | 257 | 0.4% |
| Two or More Races | 423 | 0.6% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 53,353 | 94.9% |
| Hispanic | 2,884 | 5.1% |
| White | 49,790 | 88.5% |
| Black | 618 | 1.1% |
| Asian | 1,256 | 2.2% |
| American Indian / Alaska Native | 1,186 | 2.1% |
| Native Hawaiian / Pacific Islander | 225 | 0.4% |
| Two or More Races | 277 | 0.5% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
