North Dakota 21st 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. Roosevelt1936
66.5%
1,323 votes · D+40.7 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 65.4%
Republican
Theodore Roosevelt1904
75.4%
236 votes · R+58.8 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 68.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
3,929votes
63.5% of the vote · D+29.4 · modeled estimate
Runner-up · Joe Biden, 2020 · 3,701 votes
Republican
Donald Trump2016
2,596votes
38.3% of the vote · D+9.6 · modeled estimate
Runner-up · Donald Trump, 2024 · 2,588 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
+25.0pts D vs U.S.
Place D+28.2 · U.S. D+3.1 · modeled estimate
Runner-up · George McGovern, 1972 · +24.7 pts
Republican
Benjamin Harrison1892
+44.9pts R vs U.S.
Place R+43.2 · U.S. D+1.7 · a third-party candidate carried the Place · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · +39.1 pts
current representation
Current officeholders
DKathy HoganState Senate · 21
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 2 House
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.
Source · Akashic county-allocated estimate from certified county returns, House; not precinct-counted.
Year
Vote lead
Democratic
Republican
Total
2020
R
42.1%2,938
57.9%4,044
6,982
2018
D
51.7%3,249
48.3%3,041
6,290
North Dakota 21st State Senate District sits in the Northern Plains. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 40.7 points in 1936 and a Republican high of 58.8 points in 1904. Between 2020 and 2024 the district moved 8.0 points toward the Republican candidate; the 2024 margin was 11.9 points.
A population of 16,684, a 71% non-Hispanic-white share, and a median household income of $56,611 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 18 and State Senate District 10.
Akashic
Political twins — state-senate districts
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.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons → · Or open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
North Dakota 21st State Senate District. Akashic. https://akashic.app/sld-upper/38021/. Accessed May 20, 2026. License: CC BY 4.0.
How did North Dakota 21st State Senate District vote in 2024?
In 2024, North Dakota 21st State Senate District voted Democratic by 11.9 points (D+11.9), carried by the Democratic candidate. Out of 6,090 votes cast, 3,314 went Democratic and 2,588 went Republican.
When did North Dakota 21st State Senate District last vote Republican?
The most recent presidential election in which North Dakota 21st State Senate District voted Republican was 1984.
How many people live in North Dakota 21st State Senate District?
North Dakota 21st State Senate District has a population of 16,684 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in North Dakota 21st State Senate District?
Median household income in North Dakota 21st State Senate District is $56,611 — below the national median of $80,734. The North Dakota state median is $76,657.
What is the political history of North Dakota 21st State Senate District?
Akashic tracks 38 presidential elections in North Dakota 21st State Senate District from 1876 to 2024. Of those, 22 went Democratic and 10 went Republican.