- Lead
- 18,989
- Total
- 37,962
- vs nation
- R+48.5
Oklahoma 20th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 17,515
- Total
- 35,700
- vs nation
- R+53.5
- Lead
- 16,420
- Total
- 32,666
- vs nation
- R+52.4
- Lead
- 13,311
- Total
- 29,953
- vs nation
- R+48.3
- Lead
- 13,307
- Total
- 32,517
- vs nation
- R+48.2
- Lead
- 12,793
- Total
- 31,453
- vs nation
- R+38.2
- Lead
- 7,760
- Total
- 26,156
- vs nation
- R+30.2
- Lead
- 2,263
- Total
- 25,630
- vs nation
- R+17.4
Key facts
- 2024 presidential margin
- R+50.0MIT Election Lab
- Population
- 81,0522024 5-year
- Population density
- 33 / sq mi2024 5-year · TIGER/Line
- Land area
- 2,433 sq miTIGER/Line
- Median household income
- $75,0092024 5-year
- White (non-Hispanic)
- 73.1%2024 5-year
- Black
- 4.3%2024 5-year
- Hispanic / Latino
- 7.5%2024 5-year
- Peak Democratic margin
- D+32.5 in 1932MIT Election Lab
- Peak Republican margin
- R+51.9 in 1972MIT Election Lab
- Most similar
- State Senate District 23, OK · twin score 98.4
presidential history
Party record book
Oklahoma 20th State Senate District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1908–2024 · 30 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Franklin D. Roosevelt1932
66.3%
16,332 votes · D+32.5 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 57.4%
Republican
Richard Nixon1972
74.9%
17,423 votes · R+51.9 · modeled estimate
Runner-up · Donald Trump, 2024 · 74.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Franklin D. Roosevelt1932
16,332votes
66.3% of the vote · D+32.5 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 14,563 votes
Republican
Donald Trump2024
28,083votes
74.0% of the vote · R+50.0 · modeled estimate
Runner-up · Donald Trump, 2020 · 26,196 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Franklin D. Roosevelt1932
+14.8pts D vs U.S.
Place D+32.5 · U.S. D+17.8 · modeled estimate
Runner-up · John W. Davis, 1924 · +7.1 pts
Republican
Donald Trump2020
+53.5pts R vs U.S.
Place R+49.1 · U.S. D+4.5 · modeled estimate
Runner-up · Donald Trump, 2016 · +52.4 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2020 | R | 22.1%7,401 | 77.9%26,049 | 33,450 |
Oklahoma 20th State Senate District sits in the Southern Plains. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 32.5 points in 1932 and a Republican high of 51.9 points in 1972. Between 2020 and 2024 the district moved 1.0 points toward the Republican candidate; the 2024 margin was 50.0 points.
A population of 81,052, a 73% non-Hispanic-white share, and a median household income of $75,009 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 23 and State Senate District 43.
The state-senate districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
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.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Oklahoma 20th State Senate District. Akashic. https://akashic.app/sld-upper/40020/. Accessed May 20, 2026. License: CC BY 4.0.