Akashic
1892–2024
Akashic
Boise
presidential margin
2008R+18.12012R+21.92016R+23.62020R+19.02024R+25.5
full record · 1892 → 2024
R+25.5
2024
median income$82,738U.S. $80,734 · ID $77,800
median age37.8U.S. 39.1
poverty rate9.6%U.S. 12.5%
bachelor’s+ (25+)34.8%U.S. 35.6%
non-english12.6%U.S. 22.3%
race · ethnicity · ancestry
English17.8%
German16.8%
Irish10.3%
Mexican12.6%
Spanish0.5%
Puerto Rican0.4%
Asian Indian0.3%
Chinese0.2%
Filipino0.2%
Aztec0.2%
African American†0.6%
religion
other traditions
Mainline3.8%
Other Christian1.0%
American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents, unaffiliated is the unclaimed remainder.

Boise, Idaho

Akashic
BoiseTrumpR+25.5
—
2024 presidential margin by county for Boise, IDA map of the constituent counties of Boise, ID, each outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), seated within the faint outlines of the surrounding states.Ada County, ID · R+10.3Camas County, ID · R+54.1Payette County, ID · R+62.9Gem County, ID · R+66.0Elmore County, ID · R+48.5Boise County, ID · R+54.2Owyhee County, ID · R+67.6Valley County, ID · R+18.6Adams County, ID · R+54.5Malheur County, OR · R+44.1Washington County, ID · R+61.5Canyon County, ID · R+46.6
How it voted
Share of the 2024 vote
Donald Trump ✓Republican61.4%269,235
Kamala HarrisDemocratic35.9%157,473
Robert F. Kennedy Jr.Independent2.7%11,803
D+60
R+60
12 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
County-level results (12 counties) — table
2024 presidential result by county for Boise, ID — winner and D-vs-R margin.
CountyWinnerMargin
Ada County, IDRepublicanR+10.3
Adams County, IDRepublicanR+54.5
Boise County, IDRepublicanR+54.2
Camas County, IDRepublicanR+54.1
Canyon County, IDRepublicanR+46.6
Elmore County, IDRepublicanR+48.5
Gem County, IDRepublicanR+66.0
Malheur County, ORRepublicanR+44.1
Owyhee County, IDRepublicanR+67.6
Payette County, IDRepublicanR+62.9
Valley County, IDRepublicanR+18.6
Washington County, IDRepublicanR+61.5
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
R
35.9%Harris157,473
61.4%Trump269,235
2.7%Kennedy11,803
−25.5%
438,511
R
38.9%Biden163,054
57.9%Trump242,557
3.1%Jorgensen13,068
−19.0%
418,679
R
32.0%Clinton103,938
55.6%Trump180,333
12.3%McMullin40,042
−23.6%
324,313
R
37.5%Obama112,324
59.4%Romney178,001
3.1%Johnson9,309
−21.9%
299,634
R
39.6%Obama119,249
57.7%McCain173,811
2.6%Nader7,946
−18.1%
301,006
R
32.3%Kerry85,175
66.5%Bush175,461
1.2%Badnarik3,222
−34.2%
263,858
R
29.2%Gore62,329
65.2%Bush139,213
5.6%Nader11,861
−36.0%
213,403
R
33.8%Clinton69,423
54.6%Dole112,127
11.6%Perot23,841
−20.8%
205,391
R
27.3%Clinton52,979
45.7%Bush88,718
27.1%Perot52,588
−18.4%
194,285
R
34.2%Dukakis54,596
63.6%Bush101,553
2.2%Paul3,509
−29.4%
159,658
R
25.3%Mondale40,110
73.4%Reagan116,383
1.3%Bergland2,062
−48.1%
158,555
R
25.6%Carter42,966
65.2%Reagan109,449
9.2%Anderson15,376
−39.6%
167,791
R
35.4%Carter45,305
61.9%Ford79,122
2.7%Maddox3,439
−26.4%
127,866
R
22.6%McGovern26,101
67.2%Nixon77,529
10.1%Schmitz11,668
−44.6%
115,298
R
24.9%Humphrey25,708
61.9%Nixon64,011
13.2%Wallace13,693
−37.0%
103,412
R
46.0%Johnson46,888
54.0%Goldwater54,992
0.0%Hass8
−8.0%
101,888
R
39.9%Kennedy41,930
60.1%Nixon63,206
0.0%
−20.2%
105,136
R
33.9%Stevenson31,383
66.1%Eisenhower61,261
0.0%
−32.3%
92,644
R
29.5%Stevenson27,638
70.4%Eisenhower65,949
0.2%Hallinan148
−40.9%
93,735
R
44.2%Truman31,393
53.2%Dewey37,756
2.6%Thurmond1,875
−9.0%
71,024
R
45.6%Roosevelt30,253
53.7%Dewey35,611
0.7%Thomas442
−8.1%
66,306
D
51.0%Roosevelt36,674
48.7%Willkie34,989
0.3%Thomas224
+2.3%
71,887
D
59.0%Roosevelt35,164
34.1%Landon20,352
6.9%Lemke4,107
+24.8%
59,623
D
54.9%Roosevelt29,235
39.6%Hoover21,070
5.5%Thomas2,924
+15.3%
53,229
R
28.4%Smith12,037
70.4%Hoover29,840
1.1%Thomas482
−42.0%
42,359
R
16.5%Davis6,875
45.6%Coolidge19,001
37.9%La Follette15,809
−29.1%
41,685
R
35.6%Cox14,247
63.8%Harding25,561
0.6%Debs232
−28.3%
40,040
D
50.1%Wilson17,986
43.0%Hughes15,422
6.9%Benson2,462
+7.1%
35,870
O
30.1%Wilson8,985
28.8%Taft8,591
41.1%Roosevelt12,247
Roosevelt +10.9
29,823
R
40.7%Bryan10,693
51.6%Taft13,568
7.6%Debs2,009
−10.9%
26,270
R
26.0%Parker5,167
64.0%Roosevelt12,710
10.0%Debs1,979
−38.0%
19,856
D
48.8%Bryan7,522
48.0%McKinley7,400
3.2%Woolley499
+0.8%
15,421
D
75.3%Bryan6,728
23.7%McKinley2,117
1.0%Palmer88
+51.6%
8,933
O
4.1%Cleveland265
40.9%Harrison2,635
55.0%Weaver3,539
Weaver +14.0
6,439
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 1892 to 2024. Most recent: −25.5% in 2024.flipped R · 1944−25.5%DR18922024
Presidential margin over time
YearMargin (D minus R)
1892−36.8%
1896+51.6%
1900+0.8%
1904−38.0%
1908−10.9%
1912+1.3%
1916+7.1%
1920−28.3%
1924−29.1%
1928−42.0%
1932+15.3%
1936+24.8%
1940+2.3%
1944−8.1%
1948−9.0%
1952−40.9%
1956−32.3%
1960−20.2%
1964−8.0%
1968−37.0%
1972−44.6%
1976−26.4%
1980−39.6%
1984−48.1%
1988−29.4%
1992−18.4%
1996−20.8%
2000−36.0%
2004−34.2%
2008−18.1%
2012−21.9%
2016−23.6%
2020−19.0%
2024−25.5%
DemocraticRepublican

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

counties12
Ada CountyAdams CountyBoise CountyCamas CountyCanyon CountyElmore CountyGem CountyMalheur CountyOwyhee CountyPayette CountyValley CountyWashington County

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.