HarrisDemocratic35.9%157,473TrumpRepublican61.4%269,235OtherAll other candidates2.7%11,803
R+25.5- Lead
- 111,762
- Total
- 438,511
- vs nation
- R+24.0
Akashicmedia market
Boise
Office (updates table and map)
President margin by year
Place winner margin
12 counties by 2024 margin · County returns · MIT Election Lab
President results by year
Vote totals, margins, and source status
BidenDemocratic38.9%163,054TrumpRepublican57.9%242,557OtherAll other candidates3.1%13,068
R+19.0- Lead
- 79,503
- Total
- 418,679
- vs nation
- R+23.4
ClintonDemocratic32.0%103,938TrumpRepublican55.6%180,333OtherAll other candidates12.3%40,042
R+23.6- Lead
- 76,395
- Total
- 324,313
- vs nation
- R+25.6
ObamaDemocratic37.5%112,324RomneyRepublican59.4%178,001OtherAll other candidates3.1%9,309
R+21.9- Lead
- 65,677
- Total
- 299,634
- vs nation
- R+25.8
ObamaDemocratic39.6%119,249McCainRepublican57.7%173,811OtherAll other candidates2.6%7,946
R+18.1- Lead
- 54,562
- Total
- 301,006
- vs nation
- R+25.4
KerryDemocratic32.3%85,175BushRepublican66.5%175,461OtherAll other candidates1.2%3,222
R+34.2- Lead
- 90,286
- Total
- 263,858
- vs nation
- R+31.8
GoreDemocratic29.2%62,329BushRepublican65.2%139,213OtherAll other candidates5.6%11,861
R+36.0- Lead
- 76,884
- Total
- 213,403
- vs nation
- R+36.5
ClintonDemocratic33.8%69,423DoleRepublican54.6%112,127OtherAll other candidates11.6%23,841
R+20.8- Lead
- 42,704
- Total
- 205,391
- vs nation
- R+29.3
Key facts
- 2024 presidential margin
- R+25.5MIT Election Lab
- Population
- 928,5602024 5-year
- Population density
- 28 / sq mi2024 5-year · TIGER/Line
- Land area
- 32,691 sq miTIGER/Line
- Median household income
- $82,7382024 5-year
- White (non-Hispanic)
- 76.0%2024 5-year
- Black
- 1.1%2024 5-year
- Hispanic / Latino
- 15.7%2024 5-year
- Peak Democratic margin
- D+51.6 in 1896MIT Election Lab
- Peak Republican margin
- R+48.1 in 1984MIT Election Lab
- Most similar
- Idaho Falls-Pocatello (Jackson), ID · twin score 83.0
presidential history
Party record book
Boise · 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
75.3%
6,728 votes · D+51.6
Runner-up · Franklin D. Roosevelt, 1936 · 59.0%
Republican
Ronald Reagan1984
73.4%
116,383 votes · R+48.1
Runner-up · Herbert Hoover, 1928 · 70.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
163,054votes
38.9% of the vote · R+19.0
Runner-up · Kamala Harris, 2024 · 157,473 votes
Republican
Donald Trump2024
269,235votes
61.4% of the vote · R+25.5
Runner-up · Donald Trump, 2020 · 242,557 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
+57.7pts D vs U.S.
Place D+51.6 · U.S. R+6.1
Runner-up · William J. Bryan, 1900 · +8.3 pts
Republican
Benjamin Harrison1892
+38.5pts R vs U.S.
Place R+36.8 · U.S. D+1.7 · a third-party candidate carried the Place
Runner-up · George W. Bush, 2000 · +36.5 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
On a multi-state Place, each row sums votes cast in the separate U.S. House races held inside the Place that year. It is a geographic vote total, not one contest or a seat tally.
voter registration
Registered voters
By party of registration, over time
Party registration · 2024R+38.6
Presidential vote · 2024R+25.5
Registration leans Republican; the presidential vote runs 13 points more Democratic than the rolls.
DemocraticRepublicanUnaffiliatedOther parties
† Some years predate full county coverage; a flagged year sums only the counties reporting it.
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2018 (partial) | 392,651 | 59,082 | 183,800 | 144,484 | 5,285 |
| 2020 (partial) | 476,521 | 80,375 | 228,068 | 161,107 | 6,971 |
| 2022 | 500,685 | 77,825 | 264,260 | 150,107 | 8,493 |
| 2024 | 533,095 | 81,918 | 287,430 | 154,665 | 9,082 |
domestic migration
Who moves in and out
Net domestic migration over time
+14,075 net domestic migration · 2025
20112025
Net +161,621 over 2011–2025 · gain loss
| Year | Net domestic migration |
|---|---|
| 2011 | +2,273 |
| 2012 | +3,753 |
| 2013 | +5,762 |
| 2014 | +7,943 |
| 2015 | +5,648 |
| 2016 | +11,998 |
| 2017 | +15,240 |
| 2018 | +16,998 |
| 2019 | +17,345 |
| 2021 | +27,887 |
| 2022 | +12,963 |
| 2023 | +9,148 |
| 2024 | +10,588 |
| 2025 | +14,075 |
The Boise media market anchors Idaho's most populous corridor, where rapid in-migration from California and the Pacific Northwest has introduced new demographic pressures into a region that has voted reliably Republican at the statewide level for decades.
Across the recorded series it reached a Democratic high of 51.6 points in 1896 and a Republican high of 48.1 points in 1984. Between 2020 and 2024 the market moved 6.5 points toward the Republican candidate; the 2024 margin was 25.5 points.
A population of 928,560, a 76% non-Hispanic-white share, and a median household income of $82,738 describe the market. The market's voting pattern over the last decade is most similar to that of Idaho Falls-Pocatello (Jackson) and Twin Falls.
Political twins — media markets
The media markets whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Idaho Falls-Pocatello (Jackson)
Idaho
83.0twin score
2000–2008 trajectory% Black≠ 2012 margin
Twin Falls
Idaho
77.7twin score
2000–2004 trajectory% Black12-yr trend≠ college share
Billings
Montana
77.7twin score
2000–2004 trajectoryelasticity% Black≠ median age
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.
Boise, Idaho. Akashic. https://akashic.app/dma/757/. Accessed May 20, 2026. License: CC BY 4.0.
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Places within Boise
Frequently asked questions
How did Boise, Idaho vote in 2024?
In 2024, Boise, Idaho voted Republican by 25.5 points (R+25.5), carried by the Republican candidate. Out of 438,511 votes cast, 157,473 went Democratic and 269,235 went Republican.
When did Boise, Idaho last vote Democratic?
The most recent presidential election in which Boise, Idaho voted Democratic was 1940.
How many people live in Boise, Idaho?
Boise, Idaho has a population of 928,560 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Boise, Idaho?
Median household income in Boise, Idaho is $82,738 — above the national median of $80,734. The Idaho state median is $77,800.
What is the political history of Boise, Idaho?
Akashic tracks 34 presidential elections in Boise, Idaho from 1892 to 2024. Of those, 6 went Democratic and 26 went Republican.