- Lead
- 19,087
- Total
- 33,849
- vs nation
- R+54.9
Oklahoma 13th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 18,297
- Total
- 34,037
- vs nation
- R+58.2
- Lead
- 17,117
- Total
- 32,733
- vs nation
- R+54.4
- Lead
- 11,993
- Total
- 29,381
- vs nation
- R+44.7
- Lead
- 12,513
- Total
- 32,627
- vs nation
- R+45.6
- Lead
- 10,138
- Total
- 34,636
- vs nation
- R+26.8
- Lead
- 3,434
- Total
- 29,886
- vs nation
- R+12.0
- Lead
- 3,627
- Total
- 30,999
- vs nation
- D+3.2
Key facts
- 2024 presidential margin
- R+56.4MIT Election Lab
- Population
- 83,6392024 5-year
- Population density
- 32 / sq mi2024 5-year · TIGER/Line
- Land area
- 2,577 sq miTIGER/Line
- Median household income
- $60,8432024 5-year
- White (non-Hispanic)
- 63.7%2024 5-year
- Black
- 2.6%2024 5-year
- Hispanic / Latino
- 7.0%2024 5-year
- Peak Democratic margin
- D+72.6 in 1932MIT Election Lab
- Peak Republican margin
- R+56.4 in 2024MIT Election Lab
- Most similar
- State Senate District 31, OK · twin score 98.4
presidential history
Party record book
Oklahoma 13th 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
86.3%
22,940 votes · D+72.6 · modeled estimate
Runner-up · Harry S. Truman, 1948 · 78.0%
Republican
Donald Trump2024
77.3%
26,171 votes · R+56.4 · modeled estimate
Runner-up · Donald Trump, 2020 · 75.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Franklin D. Roosevelt1940
23,728votes
69.7% of the vote · D+39.8 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 22,940 votes
Republican
Donald Trump2024
26,171votes
77.3% of the vote · R+56.4 · modeled estimate
Runner-up · Donald Trump, 2020 · 25,805 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
+62.3pts D vs U.S.
Place D+37.2 · U.S. R+25.2 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · +54.8 pts
Republican
Donald Trump2020
+58.2pts R vs U.S.
Place R+53.8 · U.S. D+4.5 · modeled estimate
Runner-up · Donald Trump, 2024 · +54.9 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 | 20.5%6,923 | 79.5%26,838 | 33,761 |
| 2020 | R | 20.6%5,753 | 79.4%22,179 | 27,932 |
Oklahoma 13th State Senate District sits in the Southern Plains. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 72.6 points in 1932 and a Republican high of 56.4 points in 2024. Between 2020 and 2024 the district moved 2.6 points toward the Republican candidate; the 2024 margin was 56.4 points.
A population of 83,639, a 64% non-Hispanic-white share, and a median household income of $60,843 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 31 and State Senate District 14.
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 13th State Senate District. Akashic. https://akashic.app/sld-upper/40013/. Accessed May 20, 2026. License: CC BY 4.0.