Oklahoma State House District 66

State Legislative District Profile (Lower Chamber)

Overview

District ID
ok-hd-066
State
Oklahoma
Chamber
Lower chamber
District Code
066
Land Area
217.1 sq mi
Water Area
15.6 sq mi

Boundary

Boundary of Oklahoma State House District 66

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Osage County170.36 sq mi78.5%7.6%
Tulsa County46.68 sq mi21.5%8.2%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Sand Springs city14.80 sq mi6.8%74.7%
Tulsa city5.75 sq mi2.6%2.9%
Skiatook city5.70 sq mi2.6%41.6%
Sperry town1.76 sq mi0.8%82.2%

Showing all 4 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 123,03657.9%2.9%21.5%
OK District 316,73942.1%2.1%78.5%

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

Voters

Registered Voters
25,681
Active Voters
21,719 (84.6%)

Party Registration

PartyVotersShare
Democratic4,92619.2%
Republican15,63760.9%
Unaffiliated00.0%
Other parties5,11819.9%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–202417,454 (68.0%)0 (0.0%)0 (0.0%)
2021–202211,802 (46.0%)0 (0.0%)0 (0.0%)
2019–202014,817 (57.7%)0 (0.0%)0 (0.0%)
2017–201810,196 (39.7%)0 (0.0%)0 (0.0%)
2015–201611,285 (43.9%)0 (0.0%)0 (0.0%)
2013–20145,700 (22.2%)0 (0.0%)0 (0.0%)
2011–20128,505 (33.1%)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
39,422 (± 1,086)
Median Age
39.7
Median Household Income
$65,052 (± $4,163)
High School Graduate or Higher (age 25+)
90.6%
Bachelor's Degree or Higher (age 25+)
23.6%

Population by Age

GroupPeopleShare
Under 189,08723.1%
18 to 6422,89858.1%
65 and over7,43718.9%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)2,5296.4%
White, not Hispanic28,22671.6%
Black, not Hispanic6381.6%
Asian, not Hispanic1590.4%
American Indian / Alaska Native, not Hispanic3,5168.9%
Native Hawaiian / Pacific Islander, not Hispanic80.0%
Some other race, not Hispanic600.2%
Two or more races, not Hispanic4,28610.9%

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
39,176
Citizen Voting Age Population (CVAP)
30,106

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic36,82994.0%
Hispanic2,3456.0%
White28,39972.5%
Black6391.6%
Asian1270.3%
American Indian / Alaska Native3,5249.0%
Native Hawaiian / Pacific Islander90.0%
Two or More Races3741.0%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic28,78495.6%
Hispanic1,3184.4%
White23,03776.5%
Black7132.4%
Asian2680.9%
American Indian / Alaska Native4,70815.6%
Native Hawaiian / Pacific Islander60.0%
Two or More Races1150.4%

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