North Dakota 21st State Senate District, North Dakota: Bellwether district. In 2024, voted R+8%. Republican peak: R+71 in 1904.
Key facts
- 2024 presidential margin
- R+8MIT Election Lab
- Political archetype
- BellwetherAkashic typology
- Population
- 5942024 5-year
- Median household income
- $75,5552024 5-year
- White (non-Hispanic)
- 82.3%2024 5-year
- Black
- 7.0%2024 5-year
- Hispanic / Latino
- 3.6%2024 5-year
- Peak Democratic margin
- D+22 in 1936MIT Election Lab
- Peak Republican margin
- R+71 in 1904MIT Election Lab
Constituent county margins for State Senate District 21, NDOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
R+60D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 124 | 147 | 279 | ||
| R | 124 | 131 | 264 | ||
| R | 96 | 122 | 248 | ||
| R | 107 | 113 | 227 | ||
| D | 115 | 100 | 219 | ||
| R | 80 | 122 | 205 | ||
| R | 66 | 103 | 181 | ||
| R | 67 | 74 | 155 | ||
| R | 55 | 78 | 163 | ||
| R | 68 | 82 | 151 | ||
| R | 55 | 90 | 146 | ||
| R | 42 | 73 | 134 | ||
| R | 55 | 69 | 127 | ||
| R | 43 | 67 | 111 | ||
| R | 33 | 47 | 84 | ||
| D | 48 | 40 | 88 | ||
| R | 37 | 54 | 91 | ||
| R | 30 | 52 | 82 | ||
| R | 28 | 56 | 84 | ||
| R | 30 | 35 | 67 | ||
| R | 32 | 33 | 65 | ||
| R | 37 | 39 | 75 | ||
| D | 38 | 23 | 67 | ||
| D | 34 | 27 | 63 | ||
| R | 19 | 38 | 58 | ||
| R | 4 | 30 | 46 | ||
| R | 9 | 33 | 43 | ||
| D | 10 | 9 | 20 | ||
| D | 6 | 4 | 15 | ||
| R | 6 | 11 | 18 | ||
| R | 2 | 12 | 14 | ||
| R | 5 | 11 | 16 | ||
| R | 6 | 9 | 16 | ||
| R | 0 | 6 | 11 | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
35.1%
Irish
7.6%
English
5.2%
French
3.1%
American
2.6%
Polish
2.0%
Italian
1.5%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 32.8 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$75,555
State Senate District 21 ranks near the middle of US counties.
State Senate District 21$75,555
North Dakota$76,657
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
11.0%
Child poverty is below the national average.
Children under 1811.8%
Working age (18–64)10.9%
Seniors (65+)8.5%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
91.1%
speak English only
Other Indo-European3.0%
Other languages2.7%
Asian & Pacific Islander1.6%
Spanish1.5%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 48.7% of residents not counted as adherents by any reporting body.
With a 2024 presidential margin of R+51.9 across a population of roughly 16,700, this rural district ranks among the most heavily one-sided in the state, reflecting the deep Republican lean that defines much of western and central North Dakota.
The Democratic margin in North Dakota 21st State Senate District has rarely exceeded twenty-two points in modern history; the Republican margin has rarely exceeded seventy-one points. 2024 delivered the district to the Republican candidate by eight points.
Its demographics resemble the country more than they resemble most districts. A 82% non-Hispanic-white share, a 11% poverty rate, and a median household income of $75,555 — all within the broad national range.
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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
State Senate District 21, North Dakota. Akashic. https://akashic.app/sld-upper/38021/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did State Senate District 21, North Dakota vote in 2024?
In 2024, State Senate District 21, North Dakota voted Republican by 8.2 points (R+8), carried by the Republican candidate. Out of 279 votes cast, 124 went Democratic and 147 went Republican.
What is State Senate District 21, North Dakota's political archetype?
Akashic classifies State Senate District 21, North Dakota as a "Bellwether" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 6 times, Republican 28 times, and other 0 times.
When did State Senate District 21, North Dakota last vote Democratic?
The most recent presidential election in which State Senate District 21, North Dakota voted Democratic was 2008.
How many people live in State Senate District 21, North Dakota?
State Senate District 21, North Dakota has a population of 594 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in State Senate District 21, North Dakota?
Median household income in State Senate District 21, North Dakota is $75,555 — below the national median of $80,734. The North Dakota state median is $76,657.
What is the political history of State Senate District 21, North Dakota?
Akashic tracks 38 presidential elections in State Senate District 21, North Dakota from 1876 to 2024. Of those, 6 went Democratic and 28 went Republican. The district's archetype — "Bellwether" — captures the overall trajectory of that voting record.