Oklahoma State Senate District 20

State Legislative District Profile (Upper Chamber)

Overview

District ID
ok-sd-020
State
Oklahoma
Chamber
Upper chamber (state senate)
District Code
020
Land Area
2,432.9 sq mi
Water Area
51.9 sq mi

Boundary

Boundary of Oklahoma State Senate District 20

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Noble County731.71 sq mi30.1%100.0%
Logan County602.30 sq mi24.8%81.0%
Pawnee County568.35 sq mi23.4%100.0%
Payne County269.26 sq mi11.1%39.3%
Kingfisher County261.23 sq mi10.7%29.1%

Showing all 5 counties

Places

PlaceOverlapShare of district landShare of place land
Guthrie city17.98 sq mi0.7%100.0%
Langston town11.99 sq mi0.5%100.0%
Perry city6.82 sq mi0.3%100.0%
Westport town4.36 sq mi0.2%100.0%
Hennessey town3.71 sq mi0.2%100.0%
Pawnee city3.14 sq mi0.1%100.0%
Cleveland city2.68 sq mi0.1%100.0%
Stillwater city2.42 sq mi0.1%8.1%
Cedar Valley city2.00 sq mi0.1%100.0%
Cimarron City town1.69 sq mi0.1%100.0%
Glencoe town1.67 sq mi0.1%100.0%
Coyle town1.56 sq mi0.1%100.0%
Morrison town1.39 sq mi0.1%100.0%
Crescent city1.07 sq mi<0.1%96.4%
Hallett town0.92 sq mi<0.1%100.0%
Mulhall town0.81 sq mi<0.1%100.0%
Billings town0.67 sq mi<0.1%100.0%
Marshall town0.64 sq mi<0.1%99.9%
Cashion town0.57 sq mi<0.1%43.9%
Jennings town0.55 sq mi<0.1%100.0%
Lucien CDP0.55 sq mi<0.1%99.9%
Ralston town0.46 sq mi<0.1%100.0%
Twin Lakes CDP0.39 sq mi<0.1%100.0%
Orlando town0.39 sq mi<0.1%99.9%
Crescent Springs CDP0.36 sq mi<0.1%100.0%

Showing top 25 of 39 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
OK District 344,71755.2%5.6%88.2%
OK District 536,33544.8%4.6%11.8%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
54,234
Active Voters
46,457 (85.7%)

Party Registration

PartyVotersShare
Democratic9,90518.3%
Republican34,45863.5%
Unaffiliated00.0%
Other parties9,87118.2%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–202436,671 (67.6%)0 (0.0%)0 (0.0%)
2021–202224,316 (44.8%)0 (0.0%)0 (0.0%)
2019–202029,662 (54.7%)0 (0.0%)0 (0.0%)
2017–201821,013 (38.7%)0 (0.0%)0 (0.0%)
2015–201622,175 (40.9%)0 (0.0%)0 (0.0%)
2013–201412,580 (23.2%)0 (0.0%)0 (0.0%)
2011–201216,980 (31.3%)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
82,771 (± 1,212)
Median Age
40.5
Median Household Income
$75,009 (± $2,707)
High School Graduate or Higher (age 25+)
90.3%
Bachelor's Degree or Higher (age 25+)
28.2%

Population by Age

GroupPeopleShare
Under 1818,66322.5%
18 to 6448,57258.7%
65 and over15,53618.8%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)7,2238.7%
White, not Hispanic61,54674.4%
Black, not Hispanic3,1793.8%
Asian, not Hispanic7180.9%
American Indian / Alaska Native, not Hispanic3,4354.2%
Native Hawaiian / Pacific Islander, not Hispanic990.1%
Some other race, not Hispanic3590.4%
Two or more races, not Hispanic6,2127.5%

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
80,670
Citizen Voting Age Population (CVAP)
62,173

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic75,07393.1%
Hispanic5,5986.9%
White62,09077.0%
Black3,1994.0%
Asian5200.6%
American Indian / Alaska Native3,4354.3%
Native Hawaiian / Pacific Islander790.1%
Two or More Races5890.7%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic58,75194.5%
Hispanic3,4205.5%
White49,21479.2%
Black3,5245.7%
Asian5780.9%
American Indian / Alaska Native5,4278.7%
Native Hawaiian / Pacific Islander600.1%
Two or More Races1690.3%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).