HarrisDemocratic24.5%2,611TrumpRepublican73.0%7,791OtherAll other candidates2.5%270
R+48.5- Lead
- 5,180
- Total
- 10,672
- vs nation
- R+47.1
Akashicmetro area
Mountain Home, ID
Office (updates table and map)
President margin by year
Place winner margin
1 counties by 2024 margin · County returns · MIT Election Lab
President results by year
Vote totals, margins, and source status
BidenDemocratic25.5%2,601TrumpRepublican71.0%7,246OtherAll other candidates3.5%358
R+45.5- Lead
- 4,645
- Total
- 10,205
- vs nation
- R+50.0
ClintonDemocratic21.3%1,814TrumpRepublican68.3%5,816OtherAll other candidates10.4%889
R+47.0- Lead
- 4,002
- Total
- 8,519
- vs nation
- R+49.1
ObamaDemocratic31.4%2,513RomneyRepublican65.3%5,227OtherAll other candidates3.3%261
R+33.9- Lead
- 2,714
- Total
- 8,001
- vs nation
- R+37.8
ObamaDemocratic30.7%2,591McCainRepublican67.2%5,665OtherAll other candidates2.1%180
R+36.4- Lead
- 3,074
- Total
- 8,436
- vs nation
- R+43.7
KerryDemocratic24.3%1,959BushRepublican74.6%6,011OtherAll other candidates1.1%91
R+50.3- Lead
- 4,052
- Total
- 8,061
- vs nation
- R+47.8
GoreDemocratic26.4%1,840BushRepublican70.2%4,891OtherAll other candidates3.4%235
R+43.8- Lead
- 3,051
- Total
- 6,966
- vs nation
- R+44.3
ClintonDemocratic33.7%2,324DoleRepublican53.1%3,668OtherAll other candidates13.2%912
R+19.5- Lead
- 1,344
- Total
- 6,904
- vs nation
- R+28.0
Key facts
- 2024 presidential margin
- R+48.5MIT Election Lab
- Population
- 29,3212024 5-year
- Population density
- 9.5 / sq mi2024 5-year · TIGER/Line
- Land area
- 3,075 sq miTIGER/Line
- Median household income
- $65,3592024 5-year
- White (non-Hispanic)
- 69.5%2024 5-year
- Black
- 2.8%2024 5-year
- Hispanic / Latino
- 18.2%2024 5-year
- Peak Democratic margin
- D+62.3 in 1896MIT Election Lab
- Peak Republican margin
- R+51.4 in 1984MIT Election Lab
- Most similar
- Winnemucca, NV · twin score 90.7
presidential history
Party record book
Mountain Home, ID · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 · 34 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
William J. Bryan1896
81.1%
535 votes · D+62.3
Runner-up · Franklin D. Roosevelt, 1936 · 65.8%
Republican
Ronald Reagan1984
75.3%
4,595 votes · R+51.4
Runner-up · George W. Bush, 2004 · 74.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
2,611votes
24.5% of the vote · R+48.5
Runner-up · Joe Biden, 2020 · 2,601 votes
Republican
Donald Trump2024
7,791votes
73.0% of the vote · R+48.5
Runner-up · Donald Trump, 2020 · 7,246 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
William J. Bryan1896
+68.4pts D vs U.S.
Place D+62.3 · U.S. R+6.1
Runner-up · William J. Bryan, 1900 · +25.5 pts
Republican
Donald Trump2020
+50.0pts R vs U.S.
Place R+45.5 · U.S. D+4.5
Runner-up · Donald Trump, 2016 · +49.1 pts
U.S. House elections · 3 House
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
voter registration
Registered voters
By party of registration, over time
Party registration · 2024R+52.7
Presidential vote · 2024R+48.5
Registration leans Republican; the presidential vote runs 4.1 points more Democratic than the rolls.
DemocraticRepublicanUnaffiliatedOther parties
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2018 | 10,395 | 957 | 6,001 | 3,312 | 125 |
| 2020 | 12,646 | 1,430 | 7,520 | 3,522 | 174 |
| 2022 | 12,334 | 1,358 | 7,712 | 3,059 | 205 |
| 2024 | 13,083 | 1,381 | 8,271 | 3,217 | 214 |
domestic migration
Who moves in and out
Net domestic migration over time
−334 net domestic migration · 2025
20112025
Net −3,887 over 2011–2025 · gain loss
| Year | Net domestic migration |
|---|---|
| 2011 | −1,259 |
| 2012 | −496 |
| 2013 | −451 |
| 2014 | −500 |
| 2015 | −914 |
| 2016 | −93 |
| 2017 | +400 |
| 2018 | +212 |
| 2019 | −153 |
| 2021 | +37 |
| 2022 | +124 |
| 2023 | −131 |
| 2024 | −329 |
| 2025 | −334 |
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.
Across the recorded series it reached a Democratic high of 62.3 points in 1896 and a Republican high of 51.4 points in 1984. Between 2020 and 2024 the metro moved 3.0 points toward the Republican candidate; the 2024 margin was 48.5 points.
A population of 29,321, a 70% non-Hispanic-white share, and a median household income of $65,359 describe the metro. The metro's voting pattern over the last decade is most similar to that of Winnemucca, NV and Ontario, OR-ID.
Political twins — metros
The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Winnemucca, NV
90.7twin score
2000–2024 trajectory≠ median income
Ontario, OR-ID
90.6twin score
2000–2016 trajectory≠ French ancestry
Twin Falls, ID
88.7twin score
2000–2016 trajectory≠ population scale
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
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.
Mountain Home, ID, Idaho. Akashic. https://akashic.app/cbsa/34300/. Accessed May 20, 2026. License: CC BY 4.0.
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Places within Mountain Home, ID
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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+48.5), carried by the Republican candidate. Out of 10,672 votes cast, 2,611 went Democratic and 7,791 went Republican.
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 34 presidential elections in Mountain Home, ID, Idaho from 1892 to 2024. Of those, 10 went Democratic and 21 went Republican.