- Lead
- 7,207
- Total
- 13,136
- vs nation
- R+53.4
Montana 1st State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 6,543
- Total
- 12,887
- vs nation
- R+55.2
- Lead
- 5,203
- Total
- 10,193
- vs nation
- R+53.1
- Lead
- 3,978
- Total
- 9,686
- vs nation
- R+44.9
- Lead
- 3,073
- Total
- 9,978
- vs nation
- R+38.1
- Lead
- 4,020
- Total
- 9,176
- vs nation
- R+41.4
- Lead
- 4,328
- Total
- 8,475
- vs nation
- R+51.6
- Lead
- 1,081
- Total
- 8,390
- vs nation
- R+21.4
Key facts
- 2024 presidential margin
- R+54.9MIT Election Lab
- Population
- 21,7102024 5-year
- Population density
- 5.2 / sq mi2024 5-year · TIGER/Line
- Land area
- 4,140 sq miTIGER/Line
- Median household income
- $48,8032024 5-year
- White (non-Hispanic)
- 89.9%2024 5-year
- Black
- 0.2%2024 5-year
- Hispanic / Latino
- 2.8%2024 5-year
- Peak Democratic margin
- D+43.7 in 1936MIT Election Lab
- Peak Republican margin
- R+77.3 in 1904MIT Election Lab
- Most similar
- State Senate District 43, MT · twin score 96.2
presidential history
Party record book
Montana 1st State Senate District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1896–2024 · 33 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Franklin D. Roosevelt1936
68.8%
2,166 votes · D+43.7 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 65.4%
Republican
Theodore Roosevelt1904
88.6%
39 votes · R+77.3 · modeled estimate
Runner-up · Donald Trump, 2024 · 76.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Michael Dukakis1988
3,722votes
48.1% of the vote · R+1.4 · modeled estimate
Runner-up · Jimmy Carter, 1976 · 3,225 votes
Republican
Donald Trump2024
10,029votes
76.3% of the vote · R+54.9 · modeled estimate
Runner-up · Donald Trump, 2020 · 9,580 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
+20.4pts D vs U.S.
Place D+14.3 · U.S. R+6.1 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · +19.4 pts
Republican
Theodore Roosevelt1904
+57.6pts R vs U.S.
Place R+77.3 · U.S. R+19.7 · modeled estimate
Runner-up · Donald Trump, 2020 · +55.2 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.
With a 2024 presidential margin exceeding 43 points, this sparsely populated district in Montana ranks among the state's most one-sided in statewide contests, reflecting the rural, agriculturally rooted demographics common to northeastern Montana.
Across the recorded series it reached a Democratic high of 43.7 points in 1936 and a Republican high of 77.3 points in 1904. Between 2020 and 2024 the district moved 4.1 points toward the Republican candidate; the 2024 margin was 54.9 points.
A population of 21,710, a 90% non-Hispanic-white share, and a median household income of $48,803 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 43 and State Senate District 39.
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 →
Montana 1st State Senate District. Akashic. https://akashic.app/sld-upper/30001/. Accessed May 20, 2026. License: CC BY 4.0.