Montana 100th State House District, Montana: Sparse district. In 2024, voted D+22%. Democratic peak: D+100 in 1896.
Key facts
- 2024 presidential margin
- D+22MIT Election Lab
- Political archetype
- SparseAkashic typology
- Population
- 1142024 5-year
- Median household income
- $75,5982024 5-year
- White (non-Hispanic)
- 86.9%2024 5-year
- Black
- 0.4%2024 5-year
- Hispanic / Latino
- 5.1%2024 5-year
- Peak Democratic margin
- D+100 in 1896MIT Election Lab
- Peak Republican margin
- R+25 in 1904MIT Election Lab
Constituent county margins for State House District 100, 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 |
|---|---|---|---|---|---|
| D | 41 | 26 | 69 | ||
| D | 41 | 25 | 68 | ||
| D | 30 | 21 | 57 | ||
| D | 31 | 21 | 54 | ||
| D | 35 | 20 | 56 | ||
| D | 25 | 23 | 50 | ||
| R | 16 | 20 | 44 | ||
| D | 21 | 15 | 42 | ||
| D | 19 | 12 | 41 | ||
| D | 18 | 15 | 34 | ||
| R | 16 | 19 | 35 | ||
| R | 12 | 15 | 33 | ||
| R | 14 | 15 | 30 | ||
| R | 13 | 15 | 28 | ||
| R | 8 | 9 | 19 | ||
| D | 12 | 8 | 20 | ||
| R | 8 | 10 | 18 | ||
| R | 6 | 10 | 16 | ||
| R | 7 | 9 | 16 | ||
| D | 7 | 6 | 13 | ||
| O | 5 | 5 | 10 | ||
| D | 7 | 5 | 13 | ||
| D | 7 | 3 | 10 | ||
| D | 5 | 4 | 9 | ||
| R | 3 | 5 | 8 | ||
| O | 1 | 2 | 8 | ||
| R | 3 | 4 | 8 | ||
| D | 4 | 3 | 7 | ||
| O | 1 | 1 | 4 | ||
| O | 2 | 2 | 4 | ||
| R | 1 | 2 | 4 | ||
| D | 2 | 1 | 3 | ||
| D | 2 | 0 | 2 | ||
| O | 2 | 2 | 5 | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
20.6%
Irish
15.3%
English
12.9%
Italian
4.5%
American
3.7%
French
3.4%
Scottish
3.0%
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: 37.1 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
$75,598
State House District 100 ranks near the middle of US counties.
State House District 100$75,598
Montana$72,509
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
10.1%
Child poverty is below the national average.
Children under 187.5%
Working age (18–64)10.9%
Seniors (65+)9.1%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
95.2%
speak English only
Other Indo-European1.7%
Spanish1.6%
Asian & Pacific Islander1.2%
Other languages0.3%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 73.3% of residents not counted as adherents by any reporting body.
Centered on the University of Montana campus in Missoula, this district's D+57.4 presidential margin in 2024 makes it a consistent outlier in an otherwise Republican-leaning state.
The margins in Montana 100th State House District have ranged widely. The Democratic peak was 100 points in 1896. The Republican peak was twenty-five points in 1904. The 2024 result was twenty-two points.
Places at this population scale resist generalization. The political identity of Montana 100th State House District is, more than anything, the political identity of the few hundred people who choose to live there.
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 House District 100, Montana. Akashic. https://akashic.app/sld-lower/30100/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did State House District 100, Montana vote in 2024?
In 2024, State House District 100, Montana voted Democratic by 21.7 points (D+22), carried by the Democratic candidate. Out of 69 votes cast, 41 went Democratic and 26 went Republican.
What is State House District 100, Montana's political archetype?
Akashic classifies State House District 100, Montana as a "Sparse" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 17 times, Republican 12 times, and other 5 times.
When did State House District 100, Montana last vote Republican?
The most recent presidential election in which State House District 100, Montana voted Republican was 2000.
How many people live in State House District 100, Montana?
State House District 100, Montana has a population of 114 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in State House District 100, Montana?
Median household income in State House District 100, Montana is $75,598 — below the national median of $80,734. The Montana state median is $72,509.
What is the political history of State House District 100, Montana?
Akashic tracks 38 presidential elections in State House District 100, Montana from 1876 to 2024. Of those, 17 went Democratic and 12 went Republican. The district's archetype — "Sparse" — captures the overall trajectory of that voting record.