Idaho — Elections 1876–2024

Idaho: state. In 2024, voted R+36%. Democratic peak: D+57 in 1896.

Key facts

2024 presidential margin: R+36MIT Election Lab
Political typology: Akashic typology
Population: 1,934,2622024 5-year
Median household income: $77,8002024 5-year
White (non-Hispanic): 81.7%2024 5-year
Black: 0.8%2024 5-year
Hispanic / Latino: 13.6%2024 5-year
Peak Democratic margin: D+57 in 1896MIT Election Lab
Peak Republican margin: R+46 in 1984MIT Election Lab

2024 presidential election

Idaho

TrumpR+36

—

How it voted

Share of the 2024 vote

Donald Trump ✓Republican	66.9%	605,144
Kamala HarrisDemocratic	30.4%	274,973
OtherAll other candidates	2.7%	24,746

D+60

R+60

44 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

Presidential margin over time
Year	Margin (D minus R)
1876	No data
1880	No data
1884	No data
1888	No data
1892	−44.2%
1896	+56.8%
1900	+3.8%
1904	−40.4%
1908	−16.9%
1912	+1.1%
1916	+10.9%
1920	−31.3%
1924	−30.8%
1928	−29.3%
1932	+20.4%
1936	+29.8%
1940	+9.1%
1944	+3.5%
1948	+2.7%
1952	−31.0%
1956	−22.4%
1960	−7.6%
1964	+1.8%
1968	−26.1%
1972	−38.2%
1976	−22.8%
1980	−41.3%
1984	−46.0%
1988	−26.1%
1992	−13.6%
1996	−18.5%
2000	−39.5%
2004	−38.1%
2008	−25.4%
2012	−31.9%
2016	−31.8%
2020	−30.8%
2024	−36.5%

DemocraticRepublican

38 presidential elections

Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year	Won	Margin	Democratic	Republican	Total
2024	R	−36.5%	274,973	605,144	904,863
2020	R	−30.8%	287,021	554,119	867,957
2016	R	−31.8%	189,765	409,055	690,255
2012	R	−31.9%	212,787	420,911	652,274
2008	R	−25.4%	236,440	403,012	656,390
2004	R	−38.1%	181,098	409,235	598,447
2000	R	−39.5%	138,637	336,937	501,621
1996	R	−18.5%	165,443	256,595	491,711
1992	R	−13.6%	137,013	202,645	482,114
1988	R	−26.1%	147,272	253,881	408,968
1984	R	−46.0%	108,510	297,523	411,144
1980	R	−41.3%	110,192	290,699	437,431
1976	R	−22.8%	126,549	204,151	340,932
1972	R	−38.2%	80,826	199,384	310,379
1968	R	−26.1%	89,273	165,369	291,183
1964	D	+1.8%	148,920	143,557	292,477
1960	R	−7.6%	138,853	161,597	300,450
1956	R	−22.4%	105,868	166,979	272,847
1952	R	−31.0%	95,081	180,707	276,231
1948	D	+2.7%	107,370	101,514	214,816
1944	D	+3.5%	107,399	100,137	208,321
1940	D	+9.1%	127,842	106,553	235,168
1936	D	+29.8%	125,683	66,256	199,617
1932	D	+20.4%	109,479	71,417	186,625
1928	R	−29.3%	52,926	97,322	151,541
1924	R	−30.8%	24,256	69,879	148,295
1920	R	−31.3%	46,579	88,975	135,624
1916	D	+10.9%	70,054	55,368	134,615
1912	O	+1.1%	33,921	32,810	105,754
1908	R	−16.9%	36,195	52,654	97,385
1904	R	−40.4%	18,480	47,792	72,586
1900	D	+3.8%	29,414	27,237	57,981
1896	D	+56.8%	23,192	6,324	29,689
1892	O	−44.2%	2	8,563	19,373
1888	—	No data	—	—	—
1884	—	No data	—	—	—
1880	—	No data	—	—	—
1876	—	No data	—	—	—

Congressional elections · 16 Senate races

U.S. Senate

Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year	Won	D %	R %	Total
2022	R	28.7%	60.7%	590,890
2020	R	33.2%	62.6%	859,827
2016	R	27.7%	66.1%	678,943
2014	R	34.7%	65.3%	437,170
2010	R	24.9%	71.2%	449,530
2008	R	34.1%	57.7%	644,780
2004	R	0.0%	99.2%	503,932
2002	R	32.5%	65.2%	408,544
1998	R	28.4%	69.5%	378,174
1996	R	39.9%	57.0%	497,233
1992	R	43.5%	56.5%	478,504
1990	R	38.7%	61.3%	315,936
1986	R	48.4%	51.6%	382,024
1984	R	26.0%	72.2%	406,168
1980	R	48.8%	49.7%	439,647
1978	R	31.6%	68.4%	284,047

Demographics

2024 ACS

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

English

19.3%

German

16.5%

Irish

9.5%

American

5.3%

Italian

3.2%

Scottish

3.2%

French

2.0%

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: 37.6 in this county, 39.1 nationally

Male

Age

Female

0.7%

85+

1.0%

2.4%

75–84

2.6%

5.1%

65–74

5.3%

5.8%

55–64

5.9%

5.8%

45–54

5.5%

6.7%

35–44

6.4%

6.7%

25–34

6.4%

4.9%

18–24

4.9%

9.4%

5–17

8.8%

3.0%

2.9%

Source · American Community Survey 5-year estimates, 2024 release.

2024 ACS

Median household income

Inflation-adjusted dollars

$77,800

Idaho ranks near the middle of US counties.

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

10.7%

Child poverty is below the national average.

Children under 1812.3%

Working age (18–64)10.1%

Seniors (65+)10.0%

Source · American Community Survey 5-year estimates, 2024 release.

2024 ACS

Language at home

Population aged 5 and older

89.0%

speak English only

Spanish8.1%

Other Indo-European1.5%

Asian & Pacific Islander0.9%

Other languages0.5%

Source · ACS 5-year estimates, 2024.

2020 religion census

Religious adherents

Adherents per capita by tradition

Other Christian

31.1%

Catholic & Orthodox

11.1%

Pentecostal & Holiness

3.0%

Mainline Protestant

1.8%

Methodist

1.4%

Baptist

1.0%

Non-Christian

0.4%

Source · 2020 US Religion Census. Remaining 50.2% of residents not counted as adherents by any reporting body.

Idaho sits in the Northern Rockies. In 2024 it voted Republican.

Across the recorded series it reached a Democratic high of fifty-seven points in 1896 and a Republican high of forty-six points in 1984. Between 2020 and 2024 the state moved six points toward the Republican candidate; the 2024 margin was thirty-six points.

A population of 1,934,262, a 82% non-Hispanic-white share, and a median household income of $77,800 describe the state.

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.

Idaho. Akashic. https://akashic.app/state/ID/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did Idaho vote in 2024?

In 2024, Idaho voted Republican by 36.5 points (R+36), carried by the Republican candidate. Out of 904,863 votes cast, 274,973 went Democratic and 605,144 went Republican.

What is Idaho's political typology?

Akashic places 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 state has voted Democratic 9 times, Republican 23 times, and other 2 times.

When did Idaho last vote Democratic?

The most recent presidential election in which Idaho voted Democratic was 1964.

How many people live in Idaho?

Idaho has a population of 1,934,262 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Idaho?

Median household income in Idaho is $77,800 — below the national median of $80,734. The Idaho state median is $77,800.

What is the political history of Idaho?

Akashic tracks 38 presidential elections in Idaho from 1876 to 2024. Of those, 9 went Democratic and 23 went Republican. The state's typology — "" — captures where that record, its demographics, and its recent swing place it among American communities.

Kootenai County, ID	R +11,443
Canyon County, ID	R +7,195
Ada County, ID	R +5,839

Idaho has voted Republican in fifteen straight presidential elections — R+36 in 2024.

Key facts

U.S. Senate

Demographics

Compare two places, side by side

Frequently asked questions