- Lead
- 8,421
- Total
- 13,691
- vs nation
- R+60.0
Oklahoma 18th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 8,237
- Total
- 13,971
- vs nation
- R+63.4
- Lead
- 7,078
- Total
- 13,331
- vs nation
- R+55.2
- Lead
- 4,340
- Total
- 11,986
- vs nation
- R+40.1
- Lead
- 4,474
- Total
- 13,472
- vs nation
- R+40.5
- Lead
- 2,349
- Total
- 14,287
- vs nation
- R+14.0
- Lead
- 125
- Total
- 12,461
- vs nation
- R+1.5
- Lead
- 2,687
- Total
- 13,183
- vs nation
- D+11.9
Key facts
- 2024 presidential margin
- R+61.5MIT Election Lab
- Population
- 38,4382024 5-year
- Population density
- 17 / sq mi2024 5-year · TIGER/Line
- Land area
- 2,271 sq miTIGER/Line
- Median household income
- $50,5742024 5-year
- White (non-Hispanic)
- 60.0%2024 5-year
- Black
- 5.4%2024 5-year
- Hispanic / Latino
- 5.0%2024 5-year
- Peak Democratic margin
- D+65.4 in 1932MIT Election Lab
- Peak Republican margin
- R+61.5 in 2024MIT Election Lab
- Most similar
- State House District 22, OK · twin score 98.8
presidential history
Party record book
Oklahoma 18th 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
82.7%
14,741 votes · D+65.4 · modeled estimate
Runner-up · Harry S. Truman, 1948 · 74.0%
Republican
Donald Trump2024
80.0%
10,953 votes · R+61.5 · modeled estimate
Runner-up · Donald Trump, 2020 · 78.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Franklin D. Roosevelt1932
14,741votes
82.7% of the vote · D+65.4 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 13,769 votes
Republican
Donald Trump2020
10,993votes
78.7% of the vote · R+59.0 · modeled estimate
Runner-up · Donald Trump, 2024 · 10,953 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
+54.8pts D vs U.S.
Place D+29.6 · U.S. R+25.2 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · +47.6 pts
Republican
Donald Trump2020
+63.4pts R vs U.S.
Place R+59.0 · U.S. D+4.5 · modeled estimate
Runner-up · Donald Trump, 2024 · +60.0 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 | 21.0%2,843 | 79.0%10,685 | 13,528 |
| 2020 | R | 22.2%2,106 | 77.8%7,374 | 9,480 |
With a 2024 presidential margin of R+61.5, this rural Oklahoma district ranks among the state's most one-sided constituencies, leaving little structural room for competitive legislative races.
Across the recorded series it reached a Democratic high of 65.4 points in 1932 and a Republican high of 61.5 points in 2024. Between 2020 and 2024 the district moved 2.5 points toward the Republican candidate; the 2024 margin was 61.5 points.
A population of 38,438, a 60% non-Hispanic-white share, and a median household income of $50,574 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 22 and State House District 28.
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 18th State House District. Akashic. https://akashic.app/sld-lower/40018/. Accessed May 20, 2026. License: CC BY 4.0.