Oklahoma 21st State Senate District, Oklahoma: Populist district. In 2024, voted R+34%. Republican peak: R+50 in 1972.
Key facts
- 2024 presidential margin
- R+34MIT Election Lab
- Political archetype
- PopulistAkashic typology
- Population
- 65,7152024 5-year
- Median household income
- $52,8032024 5-year
- White (non-Hispanic)
- 75.3%2024 5-year
- Black
- 3.3%2024 5-year
- Hispanic / Latino
- 6.3%2024 5-year
- Peak Democratic margin
- D+33 in 1932MIT Election Lab
- Peak Republican margin
- R+50 in 1972MIT Election Lab
Constituent county margins for State Senate 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 | 7,797 | 16,023 | 24,400 | ||
| R | 7,991 | 15,760 | 24,445 | ||
| R | 6,556 | 14,689 | 22,949 | ||
| R | 7,081 | 14,028 | 21,109 | ||
| R | 8,183 | 15,465 | 23,648 | ||
| R | 8,229 | 15,854 | 24,083 | ||
| R | 7,720 | 12,124 | 20,156 | ||
| R | 8,104 | 9,170 | 19,494 | ||
| R | 7,925 | 10,023 | 24,055 | ||
| R | 8,421 | 12,099 | 20,741 | ||
| R | 6,223 | 15,781 | 22,147 | ||
| R | 6,083 | 12,150 | 19,739 | ||
| R | 7,953 | 9,949 | 18,192 | ||
| R | 4,201 | 12,931 | 17,464 | ||
| R | 4,590 | 7,268 | 14,193 | ||
| D | 7,489 | 6,154 | 13,643 | ||
| R | 4,770 | 7,887 | 12,657 | ||
| R | 5,341 | 7,443 | 12,784 | ||
| R | 5,813 | 8,388 | 14,202 | ||
| D | 6,438 | 4,904 | 11,342 | ||
| R | 5,189 | 5,273 | 10,489 | ||
| D | 7,010 | 6,123 | 13,183 | ||
| D | 7,575 | 4,448 | 12,080 | ||
| D | 7,508 | 3,798 | 11,307 | ||
| R | 2,978 | 7,382 | 10,456 | ||
| R | 4,336 | 4,821 | 9,807 | ||
| R | 3,118 | 4,476 | 8,058 | ||
| D | 2,044 | 1,673 | 4,546 | ||
| R | 1,287 | 1,416 | 3,403 | ||
| R | 1,498 | 1,732 | 3,546 | ||
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Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
15.1%
English
12.2%
Irish
10.6%
American
4.9%
Scottish
2.7%
Italian
1.7%
French
1.3%
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: 30.7 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
$52,803
State Senate District 21 ranks near the middle of US counties.
State Senate District 21$52,803
Oklahoma$65,039
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
20.7%
Children face moderate poverty.
Children under 1821.9%
Working age (18–64)21.2%
Seniors (65+)9.7%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
92.5%
speak English only
Spanish3.3%
Asian & Pacific Islander1.8%
Other Indo-European1.6%
Other languages0.9%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 55.9% of residents not counted as adherents by any reporting body.
With a 2024 presidential margin of R+32.6 across a population of roughly 82,000, this district has shown little recent electoral volatility, making it a stable baseline for tracking conservative turnout patterns in the state.
The Democratic margin in Oklahoma 21st State Senate District peaked at thirty-three points in 1932. By 1968 the district had flipped, voting Republican for the first time in many years. The 2024 margin was thirty-four points, the most Republican-leaning result in the district's modern history.
The economic context is the key. The median household income of $52,803 sits well below state and national norms, and 21% of residents live below the federal poverty line. The shift here is part of a broader realignment of working-class places across the country.
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 Senate District 21, Oklahoma. Akashic. https://akashic.app/sld-upper/40021/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did State Senate District 21, Oklahoma vote in 2024?
In 2024, State Senate District 21, Oklahoma voted Republican by 33.7 points (R+34), carried by the Republican candidate. Out of 24,400 votes cast, 7,797 went Democratic and 16,023 went Republican.
What is State Senate District 21, Oklahoma's political archetype?
Akashic classifies State Senate District 21, Oklahoma as a "Populist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 6 times, Republican 24 times, and other 0 times.
When did State Senate District 21, Oklahoma last vote Democratic?
The most recent presidential election in which State Senate District 21, Oklahoma voted Democratic was 1964.
How many people live in State Senate District 21, Oklahoma?
State Senate District 21, Oklahoma has a population of 65,715 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in State Senate District 21, Oklahoma?
Median household income in State Senate District 21, Oklahoma is $52,803 — below the national median of $80,734. The Oklahoma state median is $65,039.
What is the political history of State Senate District 21, Oklahoma?
Akashic tracks 38 presidential elections in State Senate District 21, Oklahoma from 1876 to 2024. Of those, 6 went Democratic and 24 went Republican. The district's archetype — "Populist" — captures the overall trajectory of that voting record.