Oklahoma 66th State House District, Oklahoma: Republican loyalist district. In 2024, voted R+17%. Republican peak: R+57 in 1972.
Key facts
- 2024 presidential margin
- R+17MIT Election Lab
- Political archetype
- Republican loyalistAkashic typology
- Population
- 61,3002024 5-year
- Median household income
- $68,6422024 5-year
- White (non-Hispanic)
- 60.7%2024 5-year
- Black
- 9.5%2024 5-year
- Hispanic / Latino
- 15.0%2024 5-year
- Peak Democratic margin
- D+21 in 1936MIT Election Lab
- Peak Republican margin
- R+57 in 1972MIT Election Lab
Constituent county margins for State House District 66, OKOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
R+60D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 9,450 | 13,442 | 23,395 | ||
| R | 9,706 | 13,871 | 24,212 | ||
| R | 7,883 | 13,214 | 22,426 | ||
| R | 7,539 | 13,176 | 20,715 | ||
| R | 8,736 | 14,375 | 23,111 | ||
| R | 8,280 | 14,751 | 23,031 | ||
| R | 7,513 | 12,006 | 19,781 | ||
| R | 7,097 | 9,882 | 18,764 | ||
| R | 6,573 | 10,414 | 21,619 | ||
| R | 6,464 | 11,366 | 17,941 | ||
| R | 5,418 | 14,311 | 19,824 | ||
| R | 4,977 | 11,193 | 17,063 | ||
| R | 6,072 | 9,708 | 15,988 | ||
| R | 3,011 | 11,346 | 14,643 | ||
| R | 3,084 | 7,336 | 13,020 | ||
| R | 5,794 | 6,953 | 12,746 | ||
| R | 4,925 | 8,209 | 13,134 | ||
| R | 4,181 | 7,626 | 11,807 | ||
| R | 4,490 | 6,868 | 11,358 | ||
| R | 3,832 | 3,946 | 7,778 | ||
| R | 3,375 | 4,054 | 7,437 | ||
| R | 3,519 | 3,926 | 7,460 | ||
| D | 4,295 | 2,826 | 7,152 | ||
| D | 3,852 | 2,542 | 6,394 | ||
| R | 1,758 | 4,121 | 5,899 | ||
| R | 1,779 | 2,160 | 4,107 | ||
| R | 1,151 | 1,578 | 2,802 | ||
| D | 544 | 448 | 1,101 | ||
| D | 384 | 308 | 779 | ||
| D | 320 | 303 | 655 | ||
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Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
English
12.5%
German
12.0%
Irish
10.0%
American
5.5%
Scottish
2.2%
Italian
2.0%
French
1.8%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 36.4 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$68,642
State House District 66 ranks near the middle of US counties.
State House District 66$68,642
Oklahoma$65,039
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
14.6%
Children face moderate poverty.
Children under 1820.0%
Working age (18–64)13.2%
Seniors (65+)9.4%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
84.3%
speak English only
Spanish11.0%
Asian & Pacific Islander2.5%
Other Indo-European1.4%
Other languages0.8%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 37.1% of residents not counted as adherents by any reporting body.
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 deep-red rural or exurban patterns common across much of the state.
The Republican margin in Oklahoma 66th State House District reached its widest at fifty-seven points in 1972. The margin in 2024 was seventeen points, in line with the district's deep historical pattern.
Its loyalty is rooted in its place. Median household income of $68,642, a 61% non-Hispanic-white share, and a population of 61,300 together describe a district whose political habits are deeply settled.
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.
State House District 66, Oklahoma. Akashic. https://akashic.app/sld-lower/40066/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did State House District 66, Oklahoma vote in 2024?
In 2024, State House District 66, Oklahoma voted Republican by 17.1 points (R+17), carried by the Republican candidate. Out of 23,395 votes cast, 9,450 went Democratic and 13,442 went Republican.
What is State House District 66, Oklahoma's political archetype?
Akashic classifies State House District 66, Oklahoma as a "Republican loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 5 times, Republican 25 times, and other 0 times.
When did State House District 66, Oklahoma last vote Democratic?
The most recent presidential election in which State House District 66, Oklahoma voted Democratic was 1936.
How many people live in State House District 66, Oklahoma?
State House District 66, Oklahoma has a population of 61,300 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in State House District 66, Oklahoma?
Median household income in State House District 66, Oklahoma is $68,642 — below the national median of $80,734. The Oklahoma state median is $65,039.
What is the political history of State House District 66, Oklahoma?
Akashic tracks 38 presidential elections in State House District 66, Oklahoma from 1876 to 2024. Of those, 5 went Democratic and 25 went Republican. The district's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.