akashic
1876–2024
Mountain Home, ID·Idaho

Mountain Home, ID has voted Republican in fifteen straight presidential cycles.

A high-desert military town where Elmore County's vote tilts sharply right

1876 — 2024·38 elections
ID
Latest
R+49
in 2024
Archetype
Republican loyalist
since the recent cycles
Population
29,321
2024 ACS

Mountain Home, ID, Idaho: Republican loyalist metro. In 2024, voted R+49%. Democratic peak: D+62 in 1896.

Key facts

2024 presidential margin
R+49MIT Election Lab
Political archetype
Republican loyalistAkashic typology
Population
29,3212024 5-year
Median household income
$65,3592024 5-year
White (non-Hispanic)
72.7%2024 5-year
Black
3.2%2024 5-year
Hispanic / Latino
18.2%2024 5-year
Peak Democratic margin
D+62 in 1896MIT Election Lab
Peak Republican margin
R+51 in 1984MIT Election Lab
2024 results by constituent county
1 counties · 0 D · 1 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).
YearWonMarginDemocraticRepublicanTotal
R
−48.5%
2,6117,79110,672
R
−45.5%
2,6017,24610,205
R
−47.0%
1,8145,8168,519
R
−33.9%
2,5135,2278,001
R
−36.4%
2,5915,6658,436
R
−50.3%
1,9596,0118,061
R
−43.8%
1,8404,8916,966
R
−19.5%
2,3243,6686,904
R
−17.8%
1,8583,0876,890
R
−28.3%
2,0783,7565,919
R
−51.4%
1,4584,5956,105
R
−36.3%
1,7603,9946,157
R
−12.7%
2,1642,8085,063
R
−41.6%
1,1533,0784,625
R
−18.0%
1,2301,9083,769
D
+10.9%
2,3101,8574,167
D
+4.6%
2,4402,2264,666
R
−2.5%
1,7591,8493,608
R
−5.4%
1,4841,6533,139
D
+29.4%
1,5898542,503
D
+22.4%
1,6271,0302,667
D
+20.5%
1,6321,0772,713
D
+36.9%
1,5676882,380
D
+33.0%
1,6157942,486
R
−20.6%
7391,1251,877
O
−19.7%
3817892,076
R
−10.2%
8671,0651,932
D
+24.1%
1,1046581,852
O
+7.9%
5364151,532
R
−0.1%
6606621,562
R
−14.3%
4335931,117
D
+18.0%
565393958
D
+62.3%
535124660
O
−34.8%
0188540
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Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
15.6%
English
12.7%
Irish
9.3%
American
4.3%
Italian
3.8%
Scottish
2.7%
French
2.4%
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: 33.1 in this county, 39.1 nationally
Male
Age
Female
0.6%
85+
1.0%
2.0%
75–84
2.3%
4.4%
65–74
4.5%
5.5%
55–64
5.5%
4.5%
45–54
4.5%
7.1%
35–44
5.7%
8.9%
25–34
7.4%
7.1%
18–24
4.8%
8.8%
5–17
7.8%
4.3%
<5
3.3%
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$65,359
Mountain Home, ID ranks near the middle of US counties.
Mountain Home, ID$65,359
Idaho$77,800
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
10.5%
Child poverty is below the national average.
Children under 1810.4%
Working age (18–64)10.5%
Seniors (65+)11.1%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
85.8%
speak English only
Spanish10.1%
Asian & Pacific Islander2.0%
Other Indo-European1.8%
Other languages0.3%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Other Christian
14.0%
Catholic & Orthodox
13.5%
Baptist
3.1%
Mainline Protestant
3.0%
Pentecostal & Holiness
2.5%
Non-Christian
0.7%
Methodist
0.1%
Source · 2020 US Religion Census. Remaining 63.1% of residents not counted as adherents by any reporting body.

Mountain Home anchors Elmore County, home to Mountain Home Air Force Base, whose personnel and veteran population shape a consistently Republican-leaning electorate in Idaho's otherwise sparsely settled high desert.

The Republican margin in Mountain Home, ID reached its widest at fifty-one points in 1984. The margin in 2024 was forty-nine points, in line with the metro's deep historical pattern.

Its loyalty is rooted in its place. Median household income of $65,359, a 73% non-Hispanic-white share, and a population of 29,321 together describe a metro whose political habits are deeply settled.

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Mountain Home, ID, Idaho — The Long Memory. Akashic Intelligence — The Long Memory. https://tiers.akashic.app/cbsa/34300/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Mountain Home, ID, Idaho vote in 2024?
In 2024, Mountain Home, ID, Idaho voted Republican by 48.5 points (R+49), carried by the Republican candidate. Out of 10,672 votes cast, 2,611 went Democratic and 7,791 went Republican.
What is Mountain Home, ID, Idaho's political archetype?
Akashic classifies Mountain Home, ID, Idaho as a "Republican loyalist" metro based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the metro has voted Democratic 10 times, Republican 21 times, and other 3 times.
When did Mountain Home, ID, Idaho last vote Democratic?
The most recent presidential election in which Mountain Home, ID, Idaho voted Democratic was 1964.
How many people live in Mountain Home, ID, Idaho?
Mountain Home, ID, Idaho has a population of 29,321 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Mountain Home, ID, Idaho?
Median household income in Mountain Home, ID, Idaho is $65,359 — below the national median of $80,734. The Idaho state median is $77,800.
What is the political history of Mountain Home, ID, Idaho?
Akashic tracks 38 presidential elections in Mountain Home, ID, Idaho from 1876 to 2024. Of those, 10 went Democratic and 21 went Republican. The metro's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.