- Lead
- 4,700
- Total
- 17,986
- vs nation
- R+24.7
Oklahoma 91st State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 5,548
- Total
- 18,352
- vs nation
- R+34.7
- Lead
- 6,753
- Total
- 16,913
- vs nation
- R+42.0
- Lead
- 6,383
- Total
- 13,879
- vs nation
- R+49.8
- Lead
- 6,820
- Total
- 15,388
- vs nation
- R+51.6
- Lead
- 7,370
- Total
- 13,900
- vs nation
- R+50.6
- Lead
- 5,014
- Total
- 10,473
- vs nation
- R+48.4
- Lead
- 3,382
- Total
- 9,405
- vs nation
- R+44.5
Key facts
- 2024 presidential margin
- R+26.1MIT Election Lab
- Population
- 39,7482024 5-year
- Population density
- 2,103 / sq mi2024 5-year · TIGER/Line
- Land area
- 18.9 sq miTIGER/Line
- Median household income
- $87,5312024 5-year
- White (non-Hispanic)
- 60.9%2024 5-year
- Black
- 5.2%2024 5-year
- Hispanic / Latino
- 11.3%2024 5-year
- Peak Democratic margin
- D+29.7 in 1932MIT Election Lab
- Peak Republican margin
- R+63.0 in 1984MIT Election Lab
- Most similar
- State House District 98, OK · twin score 94.8
presidential history
Party record book
Oklahoma 91st State House 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
64.9%
591 votes · D+29.7 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 56.8%
Republican
Ronald Reagan1984
81.2%
6,908 votes · R+63.0 · modeled estimate
Runner-up · Richard Nixon, 1972 · 78.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
6,461votes
35.9% of the vote · R+26.1 · modeled estimate
Runner-up · Joe Biden, 2020 · 6,188 votes
Republican
Donald Trump2020
11,736votes
63.9% of the vote · R+30.2 · modeled estimate
Runner-up · Donald Trump, 2016 · 11,347 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
John W. Davis1924
+20.8pts D vs U.S.
Place R+4.3 · U.S. R+25.2 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · +12.0 pts
Republican
John McCain2008
+51.6pts R vs U.S.
Place R+44.3 · U.S. D+7.3 · modeled estimate
Runner-up · George W. Bush, 2004 · +50.6 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 |
|---|---|---|---|---|
| 2024 | R | 40.3%6,514 | 59.7%9,636 | 16,150 |
Oklahoma 91st State House District sits in the Southern Plains. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 29.7 points in 1932 and a Republican high of 63.0 points in 1984. Between 2020 and 2024 the district moved 4.1 points toward the Democratic candidate; the 2024 margin was 26.1 points.
A population of 39,748, a 61% non-Hispanic-white share, and a median household income of $87,531 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 98 and State House District 80.
The state-house 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 91st State House District. Akashic. https://akashic.app/sld-lower/40091/. Accessed May 20, 2026. License: CC BY 4.0.