State House District 66 State House District (MT) — Elections 1876–2024

Montana 66th State House District, Montana: Bellwether district. In 2024, voted D+3%. Democratic peak: D+58 in 1896.

Key facts

2024 presidential margin: D+3MIT Election Lab
Political archetype: BellwetherAkashic typology
Population: 19,0902024 5-year
Median household income: $93,5282024 5-year
White (non-Hispanic): 88.8%2024 5-year
Black: 0.4%2024 5-year
Hispanic / Latino: 5.4%2024 5-year
Peak Democratic margin: D+58 in 1896MIT Election Lab
Peak Republican margin: R+44 in 1952MIT Election Lab

2024 results by constituent county

1 counties · 1 D · 0 R

R+60

D+60

One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.

38 presidential elections

Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year	Won	Margin	Democratic	Republican	Total
2024	D	+3.2%	5,376	5,031	10,755
2020	D	+7.5%	5,700	4,877	10,921
2016	D	+0.8%	3,731	3,662	8,281
2012	R	−5.0%	3,379	3,748	7,371
2008	D	+3.4%	3,724	3,474	7,409
2004	R	−15.0%	2,524	3,445	6,130
2000	R	−27.5%	1,540	2,898	4,930
1996	R	−12.3%	1,688	2,240	4,474
1992	R	−5.5%	1,467	1,709	4,428
1988	R	−15.9%	1,466	2,033	3,570
1984	R	−31.0%	1,256	2,407	3,714
1980	R	−32.2%	884	1,960	3,343
1976	R	−27.8%	956	1,702	2,686
1972	R	−34.6%	784	1,641	2,475
1968	R	−30.2%	587	1,144	1,843
1964	R	−0.2%	862	865	1,731
1960	R	−29.2%	579	1,057	1,639
1956	R	−34.4%	502	1,028	1,529
1952	R	−44.2%	415	1,077	1,497
1948	R	−8.4%	546	649	1,223
1944	D	+5.4%	535	480	1,020
1940	D	+15.7%	726	528	1,261
1936	D	+35.5%	723	331	1,103
1932	D	+25.5%	671	393	1,092
1928	R	−22.7%	373	594	972
1924	R	−16.5%	241	384	865
1920	R	−14.6%	365	498	911
1916	D	+17.9%	563	389	970
1912	D	+22.2%	216	105	499
1908	R	−1.2%	228	234	495
1904	R	−18.8%	174	262	469
1900	D	+6.2%	200	176	387
1896	D	+58.3%	254	65	324
1892	D	+6.2%	176	154	355
1888	—	No data	—	—	—
1884	—	No data	—	—	—
1880	—	No data	—	—	—
1876	—	No data	—	—	—

Demographics

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

German

22.3%

English

14.6%

Irish

13.7%

American

4.7%

Scottish

3.7%

Italian

3.5%

French

2.6%

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: 34.2 in this county, 39.1 nationally

Male

Age

Female

0.5%

85+

0.7%

1.7%

75–84

1.9%

4.3%

65–74

4.5%

5.1%

55–64

4.9%

5.8%

45–54

5.1%

7.4%

35–44

6.9%

9.1%

25–34

7.5%

8.8%

18–24

7.1%

7.3%

5–17

6.9%

2.3%

Source · American Community Survey 5-year estimates, 2024 release.

Median household income

2024 inflation-adjusted dollars

$93,528

State House District 66 ranks near the middle of US counties.

State House District 66$93,528

Montana$72,509

United States$80,734

Source · American Community Survey 5-year estimates, 2024 release.

Poverty rate

All persons below federal poverty line

9.5%

Child poverty is below the national average.

Children under 186.4%

Working age (18–64)10.6%

Seniors (65+)5.4%

Source · American Community Survey 5-year estimates, 2024 release.

Language at home

Population aged 5 and older

94.8%

speak English only

Spanish2.8%

Other Indo-European1.4%

Asian & Pacific Islander0.8%

Other languages0.3%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Other Christian

11.2%

Catholic & Orthodox

8.8%

Mainline Protestant

4.4%

Pentecostal & Holiness

1.8%

Non-Christian

1.6%

Methodist

1.1%

Baptist

0.7%

Source · 2020 US Religion Census. Remaining 70.4% of residents not counted as adherents by any reporting body.

Anchored by the University of Montana campus, this district delivers some of the largest Democratic presidential margins in a state that otherwise votes reliably Republican, with a 2024 margin of D+33.9.

The Democratic margin in Montana 66th State House District has rarely exceeded fifty-eight points in modern history; the Republican margin has rarely exceeded forty-four points. 2024 delivered the district to the Democratic candidate by three points.

Its demographics resemble the country more than they resemble most districts. A 89% non-Hispanic-white share, a 10% poverty rate, and a median household income of $93,528 — 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 House District 66, Montana. Akashic. https://akashic.app/sld-lower/30066/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did State House District 66, Montana vote in 2024?

In 2024, State House District 66, Montana voted Democratic by 3.2 points (D+3), carried by the Democratic candidate. Out of 10,755 votes cast, 5,376 went Democratic and 5,031 went Republican.

What is State House District 66, Montana's political archetype?

Akashic classifies State House District 66, Montana as a "Bellwether" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 13 times, Republican 21 times, and other 0 times.

When did State House District 66, Montana last vote Republican?

The most recent presidential election in which State House District 66, Montana voted Republican was 2012.

How many people live in State House District 66, Montana?

State House District 66, Montana has a population of 19,090 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 66, Montana?

Median household income in State House District 66, Montana is $93,528 — above the national median of $80,734. The Montana state median is $72,509.

What is the political history of State House District 66, Montana?

Akashic tracks 38 presidential elections in State House District 66, Montana from 1876 to 2024. Of those, 13 went Democratic and 21 went Republican. The district's archetype — "Bellwether" — captures the overall trajectory of that voting record.

Montana 66th State House District votes the way the country votes.

Key facts

Demographics

Compare two places, side by side

Frequently asked questions