Oklahoma 21st State House District, Oklahoma: Realigner district. In 2024, voted R+60%. Democratic peak: D+81 in 1932.
Key facts
- 2024 presidential margin
- R+60MIT Election Lab
- Political archetype
- RealignerAkashic typology
- Population
- 17,6832024 5-year
- Median household income
- $57,2302024 5-year
- White (non-Hispanic)
- 68.6%2024 5-year
- Black
- 1.9%2024 5-year
- Hispanic / Latino
- 10.6%2024 5-year
- Peak Democratic margin
- D+81 in 1932MIT Election Lab
- Peak Republican margin
- R+60 in 2024MIT Election Lab
Constituent county margins for State House District 21, 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 | 1,308 | 5,352 | 6,747 | ||
| R | 1,221 | 4,770 | 6,096 | ||
| R | 1,079 | 4,065 | 5,344 | ||
| R | 1,404 | 3,671 | 5,075 | ||
| R | 1,678 | 3,609 | 5,287 | ||
| R | 2,165 | 3,314 | 5,480 | ||
| R | 2,149 | 2,418 | 4,610 | ||
| D | 2,380 | 1,536 | 4,502 | ||
| D | 2,430 | 1,366 | 5,251 | ||
| D | 2,651 | 1,807 | 4,477 | ||
| R | 2,078 | 2,417 | 4,518 | ||
| D | 2,366 | 1,649 | 4,090 | ||
| D | 2,864 | 1,167 | 4,048 | ||
| R | 1,176 | 2,124 | 3,375 | ||
| D | 1,218 | 1,091 | 3,210 | ||
| D | 2,283 | 1,039 | 3,323 | ||
| D | 1,722 | 1,428 | 3,151 | ||
| D | 2,165 | 1,132 | 3,296 | ||
| D | 2,493 | 1,256 | 3,750 | ||
| D | 2,816 | 507 | 3,323 | ||
| D | 2,606 | 673 | 3,287 | ||
| D | 3,260 | 894 | 4,165 | ||
| D | 3,025 | 490 | 3,527 | ||
| D | 3,024 | 317 | 3,340 | ||
| D | 1,449 | 1,127 | 2,612 | ||
| D | 1,808 | 734 | 2,890 | ||
| D | 1,683 | 1,280 | 3,156 | ||
| D | 1,199 | 474 | 2,062 | ||
| D | 896 | 284 | 1,614 | ||
| D | 846 | 401 | 1,496 | ||
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Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
American
17.6%
Irish
10.2%
German
8.9%
English
8.5%
Scottish
1.3%
Italian
1.3%
French
0.8%
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: 38.2 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
$57,230
State House District 21 ranks near the middle of US counties.
State House District 21$57,230
Oklahoma$65,039
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
16.5%
Children face moderate poverty.
Children under 1820.9%
Working age (18–64)15.3%
Seniors (65+)13.1%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
92.6%
speak English only
Spanish6.2%
Other Indo-European0.5%
Other languages0.4%
Asian & Pacific Islander0.3%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 31.4% of residents not counted as adherents by any reporting body.
Oklahoma 21st State House District sits in the Southern Plains. Its political identity was forged in the union halls of the mid-twentieth century, when industrial labor and the Democratic party became, for working people, two faces of the same political fact. That identity held for 3 consecutive presidential elections.
The unraveling was not abrupt. The Democratic margin in Oklahoma 21st State House District peaked at eighty-one points in 1932; it narrowed steadily over the late twentieth century. The 2000 election delivered the district to the Republican party for the first time in many years, by a margin of six points. By 2024, the margin had widened further.
The economic and demographic context is severe. The median household income of $57,230 is among the lowest at this geographic scale; 17% of residents live below the federal poverty line.
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 21, Oklahoma. Akashic. https://akashic.app/sld-lower/40021/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did State House District 21, Oklahoma vote in 2024?
In 2024, State House District 21, Oklahoma voted Republican by 59.9 points (R+60), carried by the Republican candidate. Out of 6,747 votes cast, 1,308 went Democratic and 5,352 went Republican.
What is State House District 21, Oklahoma's political archetype?
Akashic classifies State House District 21, Oklahoma as a "Realigner" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 21 times, Republican 9 times, and other 0 times.
When did State House District 21, Oklahoma last vote Democratic?
The most recent presidential election in which State House District 21, Oklahoma voted Democratic was 1996.
How many people live in State House District 21, Oklahoma?
State House District 21, Oklahoma has a population of 17,683 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 21, Oklahoma?
Median household income in State House District 21, Oklahoma is $57,230 — below the national median of $80,734. The Oklahoma state median is $65,039.
What is the political history of State House District 21, Oklahoma?
Akashic tracks 38 presidential elections in State House District 21, Oklahoma from 1876 to 2024. Of those, 21 went Democratic and 9 went Republican. The district's archetype — "Realigner" — captures the overall trajectory of that voting record.