- Lead
- 1,269
- Total
- 12,669
- vs nation
- R+8.5
Oklahoma 78th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 2,292
- Total
- 16,238
- vs nation
- D+9.7
- Lead
- 699
- Total
- 15,920
- vs nation
- D+2.3
- Lead
- 1,090
- Total
- 15,874
- vs nation
- R+10.7
- Lead
- 706
- Total
- 17,788
- vs nation
- R+11.2
- Lead
- 2,835
- Total
- 19,017
- vs nation
- R+12.5
- Lead
- 1,675
- Total
- 16,514
- vs nation
- R+10.7
- Lead
- 618
- Total
- 15,761
- vs nation
- R+12.4
Key facts
- 2024 presidential margin
- R+10.0MIT Election Lab
- Population
- 39,9242024 5-year
- Population density
- 3,533 / sq mi2024 5-year · TIGER/Line
- Land area
- 11.3 sq miTIGER/Line
- Median household income
- $60,4252024 5-year
- White (non-Hispanic)
- 53.5%2024 5-year
- Black
- 9.5%2024 5-year
- Hispanic / Latino
- 19.5%2024 5-year
- Peak Democratic margin
- D+45.7 in 1912MIT Election Lab
- Peak Republican margin
- R+46.5 in 1972MIT Election Lab
- Most similar
- State House District 71, OK · twin score 93.3
presidential history
Party record book
Oklahoma 78th 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
Woodrow Wilson1912
70.0%
325 votes · D+45.7 · modeled estimate
Runner-up · William J. Bryan, 1908 · 67.0%
Republican
Richard Nixon1972
72.2%
8,349 votes · R+46.5 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 67.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
9,018votes
55.5% of the vote · D+14.1 · modeled estimate
Runner-up · Barack Obama, 2008 · 8,541 votes
Republican
George W. Bush2004
10,926votes
57.5% of the vote · R+14.9 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 10,679 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
+45.3pts D vs U.S.
Place D+35.8 · U.S. R+9.6 · modeled estimate
Runner-up · Woodrow Wilson, 1916 · +27.5 pts
Republican
Richard Nixon1972
+23.3pts R vs U.S.
Place R+46.5 · U.S. R+23.2 · modeled estimate
Runner-up · Richard Nixon, 1968 · +22.4 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 |
|---|---|---|---|---|
| 2018 | R | 43.7%5,155 | 56.3%6,628 | 11,783 |
District 78 sits within the Oklahoma City metro and backed Biden by 14 points in 2020, a notable margin in a state where Democrats rarely compete statewide. Its urban core and diverse population distinguish it from surrounding districts.
Across the recorded series it reached a Democratic high of 45.7 points in 1912 and a Republican high of 46.5 points in 1972. Between 2020 and 2024 the district moved 24.1 points toward the Republican candidate; the 2024 margin was 10.0 points.
A population of 39,924, a 54% non-Hispanic-white share, and a median household income of $60,425 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 71 and State House District 72.
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 78th State House District. Akashic. https://akashic.app/sld-lower/40078/. Accessed May 20, 2026. License: CC BY 4.0.