2024 presidential election
Boise City-Mountain Home-Ontario, ID-OR
TrumpR+24.9
How it voted
Share of the 2024 vote
| Donald Trump ✓Republican | 61.1% | 257,908 |
|---|---|---|
| Kamala HarrisDemocratic | 36.2% | 152,864 |
| OtherAll other candidates | 2.7% | 11,431 |
D+60R+60
8 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | −36.9% |
| 1896 | +50.5% |
| 1900 | −0.3% |
| 1904 | −39.3% |
| 1908 | −11.1% |
| 1912 | +0.9% |
| 1916 | +7.5% |
| 1920 | −29.5% |
| 1924 | −30.5% |
| 1928 | −44.0% |
| 1932 | +13.0% |
| 1936 | +24.4% |
| 1940 | +1.1% |
| 1944 | −9.0% |
| 1948 | −9.8% |
| 1952 | −41.6% |
| 1956 | −33.1% |
| 1960 | −21.2% |
| 1964 | −9.0% |
| 1968 | −37.6% |
| 1972 | −45.0% |
| 1976 | −27.3% |
| 1980 | −40.0% |
| 1984 | −48.4% |
| 1988 | −29.7% |
| 1992 | −18.8% |
| 1996 | −20.9% |
| 2000 | −35.6% |
| 2004 | −34.0% |
| 2008 | −17.8% |
| 2012 | −21.5% |
| 2016 | −22.9% |
| 2020 | −18.3% |
| 2024 | −24.9% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 152,864 | 257,908 | 422,203 | ||
| R | 158,265 | 232,008 | 402,932 | ||
| R | 100,724 | 172,178 | 311,737 | ||
| R | 108,389 | 170,394 | 287,747 | ||
| R | 114,688 | 165,932 | 288,266 | ||
| R | 81,605 | 167,406 | 252,067 | ||
| R | 59,771 | 131,931 | 202,939 | ||
| R | 65,852 | 106,384 | 194,398 | ||
| R | 50,007 | 84,412 | 183,428 | ||
| R | 51,207 | 95,881 | 150,387 | ||
| R | 37,383 | 109,324 | 148,634 | ||
| R | 39,884 | 102,944 | 157,507 | ||
| R | 41,916 | 74,607 | 119,786 | ||
| R | 24,241 | 72,634 | 107,611 | ||
| R | 23,663 | 59,716 | 95,993 | ||
| R | 42,802 | 51,277 | 94,087 | ||
| R | 38,189 | 58,693 | 96,882 | ||
| R | 28,411 | 56,525 | 84,936 | ||
| R | 24,934 | 60,519 | 85,595 | ||
| R | 27,940 | 34,212 | 63,853 | ||
| R | 26,470 | 31,747 | 58,651 | ||
| D | 31,903 | 31,179 | 63,281 | ||
| D | 30,545 | 17,835 | 52,060 | ||
| D | 24,897 | 18,855 | 46,333 | ||
| R | 10,052 | 26,159 | 36,634 | ||
| R | 5,717 | 16,684 | 35,985 | ||
| R | 11,995 | 22,122 | 34,348 | ||
| D | 15,539 | 13,210 | 30,949 | ||
| O | 7,503 | 7,269 | 25,462 | ||
| R | 9,219 | 11,752 | 22,723 | ||
| R | 4,236 | 10,816 | 16,736 | ||
| R | 6,173 | 6,206 | 12,799 | ||
| D | 5,900 | 1,913 | 7,893 | ||
| O | 265 | 2,318 | 5,562 | ||
| — | — | — | — | ||
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Demographics
Demographic profile
Demographic Profile
Key indicators compared across containing geographies
| Indicator | Boise City-Mountain Home-Ontario, ID-ORCombined statistical area | United StatesNation |
|---|---|---|
| Race & Ethnicity | ||
| White | 79.3% | 61.0% |
| Black | 1.1% | 12.2% |
| Asian | 2.1% | 6.0% |
| Two or more races | 11.0% | 12.6% |
| Other race | 6.5% | 8.2% |
| Hispanic or Latino | 15.9% | 19.3% |
| Income & Age | ||
| Median household income | $83,328 | $84,427 |
| Poverty rate | 9.5% | 12.5% |
| Median age | 37.5 | 39.1 |
| Age 18–24 | 9.0% | 9.2% |
| Age 65 and older | 16.2% | 17.2% |
| Education & Language | ||
| Speaks a non-English language at home | 12.8% | 22.3% |
| Ancestry | ||
| Largest ancestry | English 17.8% | German 12.5% |
| 2nd-largest ancestry | German 16.7% | English 9.5% |
| 3rd-largest ancestry | Irish 10.2% | Irish 9.4% |
| Religion | ||
| Catholic | 13.0% | 18.6% |
| Evangelical Protestant | 11.7% | 16.5% |
| Unaffiliated or unclaimed | 54.7% | 51.5% |
| Latter-day Saints | 15.0% | 2.0% |
ACS values are survey estimates and may include margins of error.
Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
English
17.8%
German
16.7%
Irish
10.2%
American
4.6%
Italian
3.5%
Scottish
3.0%
French
2.2%
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.
2024 ACS
Age distribution by sex
Median age: 37.5 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$83,328
Boise City-Mountain Home-Ontario, ID-OR ranks near the middle of US counties.
Boise City-Mountain Home-Ontario, ID-OR$83,328
Idaho$77,800
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
9.5%
Child poverty is below the national average.
Children under 1810.8%
Working age (18–64)9.0%
Seniors (65+)9.9%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
87.2%
speak English only
Spanish8.9%
Other Indo-European2.0%
Asian & Pacific Islander1.2%
Other languages0.7%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Unaffiliated or not counted54.7%
Source · 2020 US Religion Census. The unaffiliated-or-not-counted share is everyone not claimed as an adherent by any reporting body — uncounted congregations as well as the religiously unaffiliated.
Boise City-Mountain Home-Ontario, ID-OR sits in the Northern Rockies. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 50.5 points in 1896 and a Republican high of 48.4 points in 1984. Between 2020 and 2024 the region moved 6.6 points toward the Republican candidate; the 2024 margin was 24.9 points.
A population of 899,161, a 79% non-Hispanic-white share, and a median household income of $83,328 describe the region.
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 City-Mountain Home-Ontario, ID-OR, Idaho. Akashic. https://akashic.app/csa/147/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did Boise City-Mountain Home-Ontario, ID-OR, Idaho vote in 2024?
In 2024, Boise City-Mountain Home-Ontario, ID-OR, Idaho voted Republican by 24.9 points (R+24.9), carried by the Republican candidate. Out of 422,203 votes cast, 152,864 went Democratic and 257,908 went Republican.
What is Boise City-Mountain Home-Ontario, ID-OR, Idaho's political typology?
Akashic places Boise City-Mountain Home-Ontario, ID-OR, Idaho in the "" typology. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the region has voted Democratic 5 times, Republican 27 times, and other 2 times.
When did Boise City-Mountain Home-Ontario, ID-OR, Idaho last vote Democratic?
The most recent presidential election in which Boise City-Mountain Home-Ontario, ID-OR, Idaho voted Democratic was 1940.
How many people live in Boise City-Mountain Home-Ontario, ID-OR, Idaho?
Boise City-Mountain Home-Ontario, ID-OR, Idaho has a population of 899,161 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Boise City-Mountain Home-Ontario, ID-OR, Idaho?
Median household income in Boise City-Mountain Home-Ontario, ID-OR, Idaho is $83,328 — above the national median of $80,734. The Idaho state median is $77,800.
What is the political history of Boise City-Mountain Home-Ontario, ID-OR, Idaho?
Akashic tracks 38 presidential elections in Boise City-Mountain Home-Ontario, ID-OR, Idaho from 1876 to 2024. Of those, 5 went Democratic and 27 went Republican. The region's typology — "" — captures where that record, its demographics, and its recent swing place it among American communities.