Overview
- District ID
- ok-sd-018
- State
- Oklahoma
- Chamber
- Upper chamber (state senate)
- District Code
- 018
- Land Area
- 64.9 sq mi
- Water Area
- 2.71 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 2 counties
Places
Showing all 4 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 5 | 71,176 | 84.3% | 9.0% | 91.5% |
| OK District 3 | 13,235 | 15.7% | 1.7% | 8.5% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 54,574
- Active Voters
- 45,850 (84.0%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 12,094 | 22.2% |
| Republican | 29,199 | 53.5% |
| Unaffiliated | 0 | 0.0% |
| Other parties | 13,281 | 24.3% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 33,897 (62.1%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 22,247 (40.8%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 26,477 (48.5%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 18,473 (33.8%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 19,411 (35.6%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 9,591 (17.6%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 13,827 (25.3%) | 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
- 87,548 (± 1,896)
- Median Age
- 34.8
- Median Household Income
- $77,443 (± $4,166)
- High School Graduate or Higher (age 25+)
- 92.9%
- Bachelor's Degree or Higher (age 25+)
- 31.7%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 23,060 | 26.3% |
| 18 to 64 | 52,934 | 60.5% |
| 65 and over | 11,554 | 13.2% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 11,675 | 13.3% |
| White, not Hispanic | 57,360 | 65.5% |
| Black, not Hispanic | 5,845 | 6.7% |
| Asian, not Hispanic | 3,480 | 4.0% |
| American Indian / Alaska Native, not Hispanic | 1,628 | 1.9% |
| Native Hawaiian / Pacific Islander, not Hispanic | 30 | 0.0% |
| Some other race, not Hispanic | 671 | 0.8% |
| Two or more races, not Hispanic | 6,859 | 7.8% |
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
- 85,214
- Citizen Voting Age Population (CVAP)
- 62,330
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 74,943 | 87.9% |
| Hispanic | 10,269 | 12.1% |
| White | 58,265 | 68.4% |
| Black | 5,929 | 7.0% |
| Asian | 3,011 | 3.5% |
| American Indian / Alaska Native | 1,659 | 1.9% |
| Native Hawaiian / Pacific Islander | 30 | 0.0% |
| Two or More Races | 528 | 0.6% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 56,439 | 90.5% |
| Hispanic | 5,894 | 9.5% |
| White | 45,370 | 72.8% |
| Black | 4,520 | 7.3% |
| Asian | 2,760 | 4.4% |
| American Indian / Alaska Native | 3,765 | 6.0% |
| Native Hawaiian / Pacific Islander | 8 | 0.0% |
| Two or More Races | 222 | 0.4% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
