Overview
- District ID
- ok-sd-013
- State
- Oklahoma
- Chamber
- Upper chamber (state senate)
- District Code
- 013
- Land Area
- 2,576.6 sq mi
- Water Area
- 34.2 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 5 counties
Places
Showing top 25 of 37 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 |
|---|
| OK District 4 | 70,272 | 84.0% | 8.9% | 68.8% |
| OK District 2 | 13,367 | 16.0% | 1.7% | 31.2% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 50,928
- Active Voters
- 42,580 (83.6%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 12,960 | 25.4% |
| Republican | 29,062 | 57.1% |
| Unaffiliated | 0 | 0.0% |
| Other parties | 8,906 | 17.5% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 32,804 (64.4%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 23,097 (45.4%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 28,591 (56.1%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 20,414 (40.1%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 22,759 (44.7%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 12,292 (24.1%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 16,953 (33.3%) | 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 01/20/2026. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".
Demographics
- Total Population
- 83,900 (± 379)
- Median Age
- 38.8
- Median Household Income
- $60,843 (± $1,173)
- High School Graduate or Higher (age 25+)
- 88.2%
- Bachelor's Degree or Higher (age 25+)
- 23.5%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 20,276 | 24.2% |
| 18 to 64 | 48,197 | 57.4% |
| 65 and over | 15,427 | 18.4% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 6,564 | 7.8% |
| White, not Hispanic | 54,901 | 65.4% |
| Black, not Hispanic | 2,050 | 2.4% |
| Asian, not Hispanic | 632 | 0.8% |
| American Indian / Alaska Native, not Hispanic | 11,443 | 13.6% |
| Native Hawaiian / Pacific Islander, not Hispanic | 46 | 0.1% |
| Some other race, not Hispanic | 279 | 0.3% |
| Two or more races, not Hispanic | 7,985 | 9.5% |
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
- 82,297
- Citizen Voting Age Population (CVAP)
- 62,192
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 76,808 | 93.3% |
| Hispanic | 5,489 | 6.7% |
| White | 55,128 | 67.0% |
| Black | 2,001 | 2.4% |
| Asian | 380 | 0.5% |
| American Indian / Alaska Native | 11,447 | 13.9% |
| Native Hawaiian / Pacific Islander | 42 | 0.1% |
| Two or More Races | 611 | 0.7% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 59,163 | 95.1% |
| Hispanic | 3,026 | 4.9% |
| White | 44,546 | 71.6% |
| Black | 2,403 | 3.9% |
| Asian | 359 | 0.6% |
| American Indian / Alaska Native | 11,787 | 19.0% |
| Native Hawaiian / Pacific Islander | 43 | 0.1% |
| Two or More Races | 286 | 0.5% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).