- Lead
- 1,925
- Total
- 5,056
- vs nation
- R+36.6
North Dakota 40th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 1,617
- Total
- 4,828
- vs nation
- R+37.9
- Lead
- 1,635
- Total
- 4,431
- vs nation
- R+39.0
- Lead
- 758
- Total
- 4,175
- vs nation
- R+22.0
- Lead
- 313
- Total
- 4,241
- vs nation
- R+14.7
- Lead
- 903
- Total
- 4,139
- vs nation
- R+19.4
- Lead
- 636
- Total
- 3,730
- vs nation
- R+17.6
- Lead
- 82
- Total
- 3,746
- vs nation
- R+6.3
Key facts
- 2024 presidential margin
- R+38.1MIT Election Lab
- Population
- 15,8312024 5-year
- Population density
- 92 / sq mi2024 5-year · TIGER/Line
- Land area
- 172 sq miTIGER/Line
- Median household income
- $79,2562024 5-year
- White (non-Hispanic)
- 73.1%2024 5-year
- Black
- 6.8%2024 5-year
- Hispanic / Latino
- 9.1%2024 5-year
- Peak Democratic margin
- D+47.1 in 1936MIT Election Lab
- Peak Republican margin
- R+49.9 in 1904MIT Election Lab
- Most similar
- State House District 3, ND · twin score 95.5
presidential history
Party record book
North Dakota 40th 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
Franklin D. Roosevelt1932
69.3%
1,558 votes · D+41.7 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 66.7%
Republican
Theodore Roosevelt1904
71.1%
642 votes · R+49.9 · modeled estimate
Runner-up · Donald Trump, 2024 · 67.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Lyndon B. Johnson1964
2,031votes
66.7% of the vote · D+33.8 · modeled estimate
Runner-up · Barack Obama, 2008 · 1,894 votes
Republican
Donald Trump2024
3,418votes
67.6% of the vote · R+38.1 · modeled estimate
Runner-up · Donald Trump, 2020 · 3,110 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
Woodrow Wilson1916
+26.5pts D vs U.S.
Place D+29.6 · U.S. D+3.1 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · +23.9 pts
Republican
Benjamin Harrison1892
+49.7pts R vs U.S.
Place R+48.0 · U.S. D+1.7 · a third-party candidate carried the Place · modeled estimate
Runner-up · Donald Trump, 2016 · +39.0 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
With a 2024 presidential margin of R+38.1 across a population of roughly 16,000, this district reflects the heavily Republican lean typical of rural North Dakota, where Republican candidates routinely post some of the state's widest winning margins.
Across the recorded series it reached a Democratic high of 47.1 points in 1936 and a Republican high of 49.9 points in 1904. Between 2020 and 2024 the district moved 4.6 points toward the Republican candidate; the 2024 margin was 38.1 points.
A population of 15,831, a 73% non-Hispanic-white share, and a median household income of $79,256 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 3 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 →
North Dakota 40th State House District. Akashic. https://akashic.app/sld-lower/38040/. Accessed May 20, 2026. License: CC BY 4.0.