Montana 20th State Senate District, Montana: Republican loyalist district. In 2024, voted R+27%. Republican peak: R+45 in 1904.
Key facts
- 2024 presidential margin
- R+27MIT Election Lab
- Political archetype
- Republican loyalistAkashic typology
- Population
- 4,8982024 5-year
- Median household income
- $76,5702024 5-year
- White (non-Hispanic)
- 85.6%2024 5-year
- Black
- 0.7%2024 5-year
- Hispanic / Latino
- 6.6%2024 5-year
- Peak Democratic margin
- D+24 in 1936MIT Election Lab
- Peak Republican margin
- R+45 in 1904MIT Election Lab
Constituent county margins for State Senate District 20, MTOne 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 | 823 | 1,463 | 2,359 | ||
| R | 889 | 1,472 | 2,430 | ||
| R | 643 | 1,186 | 2,043 | ||
| R | 765 | 1,174 | 1,995 | ||
| R | 929 | 1,058 | 2,041 | ||
| R | 699 | 1,186 | 1,922 | ||
| R | 590 | 983 | 1,667 | ||
| R | 667 | 764 | 1,620 | ||
| R | 584 | 662 | 1,636 | ||
| R | 637 | 814 | 1,468 | ||
| R | 563 | 989 | 1,570 | ||
| R | 443 | 792 | 1,401 | ||
| R | 531 | 731 | 1,279 | ||
| R | 394 | 731 | 1,166 | ||
| R | 339 | 577 | 981 | ||
| D | 506 | 451 | 964 | ||
| R | 358 | 564 | 928 | ||
| R | 292 | 541 | 833 | ||
| R | 254 | 509 | 764 | ||
| R | 282 | 300 | 591 | ||
| R | 236 | 252 | 491 | ||
| D | 262 | 246 | 512 | ||
| D | 249 | 151 | 406 | ||
| D | 167 | 156 | 333 | ||
| R | 93 | 200 | 294 | ||
| R | 34 | 137 | 244 | ||
| R | 81 | 166 | 255 | ||
| D | 123 | 95 | 226 | ||
| O | 35 | 29 | 111 | ||
| R | 32 | 52 | 92 | ||
| R | 13 | 36 | 51 | ||
| R | 19 | 24 | 43 | ||
| D | 17 | 12 | 29 | ||
| R | 11 | 14 | 26 | ||
| — | — | — | — | ||
| — | — | — | — | ||
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Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
29.0%
Irish
13.2%
English
12.7%
American
4.7%
Italian
3.3%
Scottish
2.7%
French
2.3%
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: 39.0 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
$76,570
State Senate District 20 ranks near the middle of US counties.
State Senate District 20$76,570
Montana$72,509
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
9.2%
Child poverty is below the national average.
Children under 189.3%
Working age (18–64)9.2%
Seniors (65+)8.9%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
96.3%
speak English only
Spanish1.5%
Other Indo-European1.1%
Asian & Pacific Islander0.6%
Other languages0.5%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 66.4% of residents not counted as adherents by any reporting body.
With a 27-point Republican lean in 2024 and a population just above 21,000, this district reflects the reliably conservative voting patterns common to Montana's sparsely settled agricultural and ranching counties.
The Republican margin in Montana 20th State Senate District reached its widest at forty-five points in 1904. The margin in 2024 was twenty-seven points, in line with the district's deep historical pattern.
Its loyalty is rooted in its place. Median household income of $76,570, a 86% non-Hispanic-white share, and a population of 4,898 together describe a district whose political habits are deeply settled.
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 20, Montana. Akashic. https://akashic.app/sld-upper/30020/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did State Senate District 20, Montana vote in 2024?
In 2024, State Senate District 20, Montana voted Republican by 27.1 points (R+27), carried by the Republican candidate. Out of 2,359 votes cast, 823 went Democratic and 1,463 went Republican.
What is State Senate District 20, Montana's political archetype?
Akashic classifies State Senate District 20, Montana as a "Republican loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 6 times, Republican 27 times, and other 1 times.
When did State Senate District 20, Montana last vote Democratic?
The most recent presidential election in which State Senate District 20, Montana voted Democratic was 1964.
How many people live in State Senate District 20, Montana?
State Senate District 20, Montana has a population of 4,898 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 20, Montana?
Median household income in State Senate District 20, Montana is $76,570 — below the national median of $80,734. The Montana state median is $72,509.
What is the political history of State Senate District 20, Montana?
Akashic tracks 38 presidential elections in State Senate District 20, Montana from 1876 to 2024. Of those, 6 went Democratic and 27 went Republican. The district's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.