- Lead
- 3,864
- Total
- 7,986
- vs nation
- R+46.9
North Dakota 30th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 3,526
- Total
- 7,855
- vs nation
- R+49.3
- Lead
- 3,564
- Total
- 7,381
- vs nation
- R+50.4
- Lead
- 2,360
- Total
- 6,657
- vs nation
- R+39.3
- Lead
- 1,742
- Total
- 6,428
- vs nation
- R+34.4
- Lead
- 2,511
- Total
- 5,974
- vs nation
- R+39.6
- Lead
- 2,128
- Total
- 5,306
- vs nation
- R+40.6
- Lead
- 895
- Total
- 4,528
- vs nation
- R+28.3
Key facts
- 2024 presidential margin
- R+48.4MIT Election Lab
- Population
- 16,5232024 5-year
- Population density
- 344 / sq mi2024 5-year · TIGER/Line
- Land area
- 48.1 sq miTIGER/Line
- Median household income
- $93,0752024 5-year
- White (non-Hispanic)
- 84.6%2024 5-year
- Black
- 2.1%2024 5-year
- Hispanic / Latino
- 3.1%2024 5-year
- Peak Democratic margin
- D+36.0 in 1936MIT Election Lab
- Peak Republican margin
- R+73.4 in 1904MIT Election Lab
- Most similar
- State Senate District 8, ND · twin score 98.7
presidential history
Party record book
North Dakota 30th State Senate 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
64.5%
825 votes · D+30.5 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 63.3%
Republican
Theodore Roosevelt1904
85.5%
212 votes · R+73.4 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 80.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
2,278votes
35.4% of the vote · R+27.1 · modeled estimate
Runner-up · Barack Obama, 2012 · 2,054 votes
Republican
Donald Trump2024
5,827votes
73.0% of the vote · R+48.4 · modeled estimate
Runner-up · Donald Trump, 2020 · 5,569 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
Franklin D. Roosevelt1932
+12.8pts D vs U.S.
Place D+30.5 · U.S. D+17.8 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · +11.7 pts
Republican
Benjamin Harrison1892
+73.5pts R vs U.S.
Place R+71.8 · U.S. D+1.7 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · +53.7 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 of R+48.4, District 30 ranks among the most one-sided state senate districts in the region. Its sparse population of roughly 16,500 reflects the agricultural and rural character typical of western North Dakota.
Across the recorded series it reached a Democratic high of 36.0 points in 1936 and a Republican high of 73.4 points in 1904. Between 2020 and 2024 the district moved 3.5 points toward the Republican candidate; the 2024 margin was 48.4 points.
A population of 16,523, a 85% non-Hispanic-white share, and a median household income of $93,075 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 8 and State Senate District 7.
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 →
North Dakota 30th State Senate District. Akashic. https://akashic.app/sld-upper/38030/. Accessed May 20, 2026. License: CC BY 4.0.