- Lead
- 3,501
- Total
- 6,401
- vs nation
- R+53.2
Montana 78th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 3,326
- Total
- 6,346
- vs nation
- R+56.9
- Lead
- 2,944
- Total
- 5,624
- vs nation
- R+54.4
- Lead
- 2,444
- Total
- 5,655
- vs nation
- R+47.1
- Lead
- 1,986
- Total
- 5,640
- vs nation
- R+42.5
- Lead
- 2,662
- Total
- 5,595
- vs nation
- R+45.1
- Lead
- 2,958
- Total
- 5,624
- vs nation
- R+53.1
- Lead
- 1,336
- Total
- 5,722
- vs nation
- R+31.9
Key facts
- 2024 presidential margin
- R+54.7MIT Election Lab
- Population
- 10,9272024 5-year
- Population density
- 1.4 / sq mi2024 5-year · TIGER/Line
- Land area
- 7,666 sq miTIGER/Line
- Median household income
- $63,9942024 5-year
- White (non-Hispanic)
- 91.6%2024 5-year
- Black
- 0.4%2024 5-year
- Hispanic / Latino
- 2.6%2024 5-year
- Peak Democratic margin
- D+48.2 in 1896MIT Election Lab
- Peak Republican margin
- R+54.7 in 2024MIT Election Lab
- Most similar
- State House District 37, MT · twin score 96.3
presidential history
Party record book
Montana 78th State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 · 34 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
William J. Bryan1896
74.1%
1,576 votes · D+48.2 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 62.9%
Republican
Donald Trump2024
75.9%
4,860 votes · R+54.7 · modeled estimate
Runner-up · Donald Trump, 2020 · 75.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Franklin D. Roosevelt1936
4,310votes
62.9% of the vote · D+28.6 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 3,845 votes
Republican
Donald Trump2024
4,860votes
75.9% of the vote · R+54.7 · modeled estimate
Runner-up · Donald Trump, 2020 · 4,762 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. Bryan1896
+54.3pts D vs U.S.
Place D+48.2 · U.S. R+6.1 · modeled estimate
Runner-up · Woodrow Wilson, 1916 · +6.7 pts
Republican
Donald Trump2020
+56.9pts R vs U.S.
Place R+52.4 · U.S. D+4.5 · modeled estimate
Runner-up · Donald Trump, 2016 · +54.4 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.
The district recorded a Republican presidential margin of R+54.7 in 2024, compared with R+35.2 in 2008. The district had about 30,000 residents, 86.7% White alone in the 2024 ACS 5-year.
Across the recorded series it reached a Democratic high of 48.2 points in 1896 and a Republican high of 54.7 points in 2024. Between 2020 and 2024 the district moved 2.3 points toward the Republican candidate; the 2024 margin was 54.7 points.
A population of 10,927, a 92% non-Hispanic-white share, and a median household income of $63,994 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 37 and State House District 38.
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 →
Montana 78th State House District. Akashic. https://akashic.app/sld-lower/30078/. Accessed May 20, 2026. License: CC BY 4.0.