Akashic
1892–2024
Akashic
Oklahoma 66th State House District
presidential margin
2008R+38.72012R+44.32016R+49.12020R+48.32024R+42.6
full record · 2008 → 2024
R+42.6
2024
median income$65,052U.S. $80,734 · OK $65,039
median age39.7U.S. 39.1 · OK 37.1
poverty rate12.7%U.S. 12.5% · OK 15.4%
bachelor’s+ (25+)33.7%U.S. 35.6% · OK 28.5%
non-english15.7%U.S. 22.3% · OK 11.5%
race · ethnicity · ancestry
English15.4%
German14.8%
Irish12.3%
Muscogee (Creek)2.0%
Cherokee0.5%
Mexican3.5%
Guatemalan0.3%
Puerto Rican0.2%
African American†1.8%
religion

Religious adherence is published only at the county level (U.S. Religion Census). See Tulsa County.

American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024.

Oklahoma 66th State House District

Akashic
Oklahoma 66th State House DistrictTrumpR+42.6
2024
2024 presidential margin for Oklahoma 66th State House DistrictThe boundary of Oklahoma 66th State House District, filled by its 2024 presidential margin (R+42.6), over faint outlines of the counties it is drawn from.Oklahoma 66th State House District · R+42.6
How it voted
Share of the 2024 vote
Donald Trump ✓Republican69.8%13,291
Kamala HarrisDemocratic27.2%5,172
Robert F. Kennedy Jr.Independent3.0%578
D+60
R+60
District boundary, filled by its own 2024 D-vs-R margin — precinct detail where available, over the 2 counties it's drawn from (shown faint).
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
County-level results (2 counties) — table
2024 presidential result by county for Oklahoma 66th State House District — winner and D-vs-R margin.
CountyWinnerMargin
Osage County, OKRepublicanR+41.4
Tulsa County, OKRepublicanR+15.2
5 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
R
27.2%Harris5,172
69.8%Trump13,291
3.0%Kennedy578
−42.6%
19,041
R
24.5%Biden4,583
72.8%Trump13,606
2.7%Jorgensen496
−48.3%
18,685
R
23.0%Clinton3,943
72.1%Trump12,376
5.0%Johnson854
−49.1%
17,173
R
27.9%Obama3,978
72.1%Romney10,294
0.0%
−44.3%
14,272
R
30.3%Obama5,123
69.0%McCain11,670
0.7%Nader115
−38.7%
16,908
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 2008 to 2024. Most recent: −42.6% in 2024.−42.6%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008−38.7%
2012−44.3%
2016−49.1%
2020−48.3%
2024−42.6%
DemocraticRepublican
current representation
Current officeholders
RClay StairesState House · 66

State legislative officeholder from OpenStates nightly current-legislator data.

Source · OpenStates current legislator CSV.

With a 2024 presidential margin of R+56.2, this district ranks among the most heavily Republican state house seats in Oklahoma. Its roughly 39,000 residents reflect the heavily Republican rural or exurban patterns common across much of the state.

Across the recorded series it reached a Republican high of 49.1 points in 2016. Between 2020 and 2024 the district moved 5.7 points toward the Democratic candidate; the 2024 margin was 42.6 points.

A population of 39,775, a 71% non-Hispanic-white share, and a median household income of $65,052 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 11 and State House District 24.

Political twins — state-house districts

The state-house districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

State House District 11
Oklahoma
99.2twin score
elasticity2008–2020 trajectory
State House District 24
Oklahoma
98.9twin score
elasticity2008–2020 trajectory
State House District 74
Oklahoma
97.4twin score
elasticity2008–2016 trajectory

Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Oklahoma 66th State House District. Akashic. https://akashic.app/sld-lower/40066/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Places within Oklahoma 66th State House District

counties it covers2
Osage CountyTulsa County

Frequently asked questions

How did Oklahoma 66th State House District vote in 2024?
In 2024, Oklahoma 66th State House District voted Republican by 42.6 points (R+42.6), carried by the Republican candidate. Out of 19,041 votes cast, 5,172 went Democratic and 13,291 went Republican.
How many people live in Oklahoma 66th State House District?
Oklahoma 66th State House District has a population of 39,775 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Oklahoma 66th State House District?
Median household income in Oklahoma 66th State House District is $65,052 — below the national median of $80,734. The Oklahoma state median is $65,039.
What is the political history of Oklahoma 66th State House District?
Akashic tracks 5 presidential elections in Oklahoma 66th State House District from 2008 to 2024. Of those, 0 went Democratic and 5 went Republican.