HarrisDemocratic21.8%4,948TrumpRepublican75.6%17,168OtherAll other candidates2.6%590
R+53.8- Lead
- 12,220
- Total
- 22,706
- vs nation
- R+52.3
Akashicmetro area
Ontario, OR-ID
Office (updates table and map)
President margin by year
Place winner margin
2 counties by 2024 margin · County returns · MIT Election Lab
President results by year
Vote totals, margins, and source status
BidenDemocratic23.5%5,421TrumpRepublican73.8%17,049OtherAll other candidates2.7%627
R+50.3- Lead
- 11,628
- Total
- 23,097
- vs nation
- R+54.8
ClintonDemocratic19.6%3,753TrumpRepublican71.5%13,683OtherAll other candidates8.9%1,703
R+51.9- Lead
- 9,930
- Total
- 19,139
- vs nation
- R+54.0
ObamaDemocratic27.3%5,030RomneyRepublican69.7%12,855OtherAll other candidates3.1%566
R+42.4- Lead
- 7,825
- Total
- 18,451
- vs nation
- R+46.3
ObamaDemocratic28.2%5,364McCainRepublican69.0%13,145OtherAll other candidates2.8%537
R+40.9- Lead
- 7,781
- Total
- 19,046
- vs nation
- R+48.1
KerryDemocratic23.3%4,425BushRepublican75.6%14,379OtherAll other candidates1.2%223
R+52.3- Lead
- 9,954
- Total
- 19,027
- vs nation
- R+49.9
GoreDemocratic23.1%3,979BushRepublican72.9%12,585OtherAll other candidates4.0%698
R+49.9- Lead
- 8,606
- Total
- 17,262
- vs nation
- R+50.4
ClintonDemocratic29.2%4,946DoleRepublican58.8%9,946OtherAll other candidates11.9%2,018
R+29.6- Lead
- 5,000
- Total
- 16,910
- vs nation
- R+38.1
Key facts
- 2024 presidential margin
- R+53.8MIT Election Lab
- Population
- 58,7252024 5-year
- Population density
- 5.7 / sq mi2024 5-year · TIGER/Line
- Land area
- 10,295 sq miTIGER/Line
- Median household income
- $60,5162024 5-year
- White (non-Hispanic)
- 67.2%2024 5-year
- Black
- 0.6%2024 5-year
- Hispanic / Latino
- 26.7%2024 5-year
- Peak Democratic margin
- D+34.5 in 1896MIT Election Lab
- Peak Republican margin
- R+53.8 in 2024MIT Election Lab
- Most similar
- Twin Falls, ID · twin score 94.0
presidential history
Party record book
Ontario, OR-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
66.0%
654 votes · D+34.5
Runner-up · Franklin D. Roosevelt, 1936 · 53.4%
Republican
Ronald Reagan1984
75.9%
13,046 votes · R+52.5
Runner-up · Donald Trump, 2024 · 75.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Lyndon B. Johnson1964
6,306votes
47.6% of the vote · R+4.8
Runner-up · Jimmy Carter, 1976 · 5,702 votes
Republican
Donald Trump2024
17,168votes
75.6% of the vote · R+53.8
Runner-up · Donald Trump, 2020 · 17,049 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
+40.6pts D vs U.S.
Place D+34.5 · U.S. R+6.1
Runner-up · William J. Bryan, 1900 · +8.4 pts
Republican
Donald Trump2020
+54.8pts R vs U.S.
Place R+50.3 · U.S. D+4.5
Runner-up · Donald Trump, 2016 · +54.0 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+39.0
Presidential vote · 2024R+53.8
Registration leans Republican; the presidential vote runs 15 points more Republican 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) | 10,999 | 922 | 6,356 | 3,620 | 101 |
| 2020 (partial) | 13,072 | 1,166 | 8,294 | 3,443 | 169 |
| 2022 | 30,647 | 3,391 | 15,010 | 11,186 | 1,060 |
| 2024 | 32,267 | 3,361 | 15,937 | 11,813 | 1,156 |
domestic migration
Who moves in and out
Net domestic migration over time
−115 net domestic migration · 2025
20112025
Net +1,194 over 2011–2025 · gain loss
| Year | Net domestic migration |
|---|---|
| 2011 | −697 |
| 2012 | −263 |
| 2013 | −470 |
| 2014 | −253 |
| 2015 | −214 |
| 2016 | +69 |
| 2017 | +144 |
| 2018 | +370 |
| 2019 | +283 |
| 2021 | +828 |
| 2022 | +688 |
| 2023 | +593 |
| 2024 | +231 |
| 2025 | −115 |
The Ontario metro straddles the Snake River, drawing workers across a state line that separates meaningfully different tax and labor regimes. Malheur County leans heavily Republican in statewide races despite sitting within Oregon's Democratic trifecta.
Across the recorded series it reached a Democratic high of 34.5 points in 1896 and a Republican high of 53.8 points in 2024. Between 2020 and 2024 the metro moved 3.5 points toward the Republican candidate; the 2024 margin was 53.8 points.
A population of 58,725, a 67% non-Hispanic-white share, and a median household income of $60,516 describe the metro. The metro's voting pattern over the last decade is most similar to that of Twin Falls, ID and Burley, ID.
Political twins — metros
The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin Falls, ID
94.0twin score
2000–2012 trajectory≠ English ancestry
Burley, ID
93.2twin score
2000–2016 trajectory≠ English ancestry
Elko, NV
91.0twin score
2000–2016 trajectory≠ median income
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.
Ontario, OR-ID, Idaho. Akashic. https://akashic.app/cbsa/36620/. Accessed May 20, 2026. License: CC BY 4.0.
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Places within Ontario, OR-ID
counties2
Frequently asked questions
How did Ontario, OR-ID, Idaho vote in 2024?
In 2024, Ontario, OR-ID, Idaho voted Republican by 53.8 points (R+53.8), carried by the Republican candidate. Out of 22,706 votes cast, 4,948 went Democratic and 17,168 went Republican.
When did Ontario, OR-ID, Idaho last vote Democratic?
The most recent presidential election in which Ontario, OR-ID, Idaho voted Democratic was 1936.
How many people live in Ontario, OR-ID, Idaho?
Ontario, OR-ID, Idaho has a population of 58,725 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Ontario, OR-ID, Idaho?
Median household income in Ontario, OR-ID, Idaho is $60,516 — below the national median of $80,734. The Idaho state median is $77,800.
What is the political history of Ontario, OR-ID, Idaho?
Akashic tracks 34 presidential elections in Ontario, OR-ID, Idaho from 1892 to 2024. Of those, 7 went Democratic and 27 went Republican.