Oklahoma 40th 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
64.8%
6,930 votes · D+29.6 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 63.1%
Republican
Richard Nixon1972
76.7%
10,669 votes · R+55.7 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 75.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Franklin D. Roosevelt1936
7,181votes
63.1% of the vote · D+26.8 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 6,930 votes
Republican
Ronald Reagan1984
10,816votes
74.1% of the vote · R+48.8 · modeled estimate
Runner-up · Richard Nixon, 1972 · 10,669 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
William J. Bryan1908
+13.7pts D vs U.S.
Place D+4.1 · U.S. R+9.6 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · +11.8 pts
Republican
John McCain2008
+50.7pts R vs U.S.
Place R+43.4 · U.S. D+7.3 · modeled estimate
Runner-up · Mitt Romney, 2012 · +48.9 pts
current representation
Current officeholders
RChad CaldwellState House · 40
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 1 House
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.
Source · Akashic county-allocated estimate from certified county returns, House; not precinct-counted.
Year
Vote lead
Democratic
Republican
Total
2020
R
20.0%2,819
80.0%11,247
14,066
With a 2024 presidential margin of R+43.4 across roughly 39,000 residents, this district ranks among the most reliably one-sided state house seats in Oklahoma, reflecting a rural or small-city electorate with deeply entrenched voting patterns.
Across the recorded series it reached a Democratic high of 29.6 points in 1932 and a Republican high of 55.7 points in 1972. The 2024 margin was 43.4 points.
A population of 39,258, a 62% non-Hispanic-white share, and a median household income of $59,311 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 59 and State House District 57.
Akashic
Political twins — state-house districts
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.
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 → · Or open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Oklahoma 40th State House District. Akashic. https://akashic.app/sld-lower/40040/. Accessed May 20, 2026. License: CC BY 4.0.
How did Oklahoma 40th State House District vote in 2024?
In 2024, Oklahoma 40th State House District voted Republican by 43.4 points (R+43.4), carried by the Republican candidate. Out of 11,643 votes cast, 3,186 went Democratic and 8,234 went Republican.
When did Oklahoma 40th State House District last vote Democratic?
The most recent presidential election in which Oklahoma 40th State House District voted Democratic was 1940.
How many people live in Oklahoma 40th State House District?
Oklahoma 40th State House District has a population of 39,258 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Oklahoma 40th State House District?
Median household income in Oklahoma 40th State House District is $59,311 — below the national median of $80,734. The Oklahoma state median is $65,039.
What is the political history of Oklahoma 40th State House District?
Akashic tracks 38 presidential elections in Oklahoma 40th State House District from 1876 to 2024. Of those, 6 went Democratic and 24 went Republican.