akashic
1876–2024
Idaho Falls-Rexburg-Blackfoot, ID·Idaho

Idaho Falls-Rexburg-Blackfoot, ID has voted Republican in nineteen straight presidential elections — R+56.0 in 2024.

2008 — 2024·5 elections
ID
2024 presidential election
Idaho Falls-Rexburg-Blackfoot, ID
TrumpR+56.0
2024 presidential margin by county for Idaho Falls-Rexburg-Blackfoot, ID, IDA map of the constituent counties of Idaho Falls-Rexburg-Blackfoot, ID, 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.Butte County, ID · R+72.5Bonneville County, ID · R+45.4Fremont County, ID · R+69.0Bingham County, ID · R+59.6Jefferson County, ID · R+73.3Madison County, ID · R+64.3
How it voted
Share of the 2024 vote
Donald Trump ✓Republican76.4%90,560
Kamala HarrisDemocratic20.4%24,133
OtherAll other candidates3.3%3,860
D+60
R+60
6 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 timeDemocratic-minus-Republican presidential margin from 1876 to 2024. Most recent: −56.0% in 2024.flipped R · 1952−56.0%DR18762024
Presidential margin over time
YearMargin (D minus R)
1876No data
1880No data
1884No data
1888No data
1892−48.3%
1896+78.9%
1900+1.8%
1904−49.1%
1908−20.5%
1912−16.3%
1916+15.9%
1920−38.6%
1924−37.8%
1928−15.7%
1932+23.1%
1936+36.3%
1940+13.3%
1944+9.4%
1948+7.5%
1952−34.4%
1956−27.4%
1960−9.5%
1964−4.1%
1968−37.7%
1972−43.0%
1976−33.1%
1980−63.2%
1984−67.2%
1988−51.2%
1992−29.2%
1996−36.2%
2000−58.6%
2004−62.9%
2008−51.9%
2012−61.9%
2016−47.6%
2020−54.3%
2024−56.0%
DemocraticRepublican
38 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
R
−56.0%
24,13390,560118,553
R
−54.3%
23,89185,508113,449
R
−47.6%
14,84259,98794,938
R
−61.9%
16,92874,96493,697
R
−51.9%
20,49266,99189,646
R
−62.9%
14,93367,22083,154
R
−58.6%
13,51455,33371,375
R
−36.2%
17,58142,78269,688
R
−29.2%
13,63434,88772,703
R
−51.2%
15,28448,53664,899
R
−67.2%
10,41454,11165,026
R
−63.2%
10,89654,35368,721
R
−33.1%
16,75034,24152,766
R
−43.0%
9,30630,01848,163
R
−37.7%
11,50728,95246,245
R
−4.1%
21,69623,53545,231
R
−9.5%
20,62824,95445,582
R
−27.4%
14,53825,52540,063
R
−34.4%
12,55625,71838,290
D
+7.5%
15,06012,94228,321
D
+9.4%
15,02012,44227,500
D
+13.3%
17,55913,42931,028
D
+36.3%
18,3358,45327,231
D
+23.1%
16,12410,01826,469
R
−15.7%
8,70011,96220,715
R
−37.8%
2,75910,45420,382
R
−38.6%
5,70012,87018,570
D
+15.9%
10,3197,40018,319
R
−16.3%
3,5895,68712,882
R
−20.5%
4,6047,19712,672
R
−49.1%
2,1687,0559,959
D
+1.8%
3,7663,6317,485
D
+78.9%
2,7583153,095
O
−48.3%
09371,938
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Demographics

Demographic profile

Demographic Profile

Key indicators compared across containing geographies

Demographic Profile. Key indicators compared across containing geographies. 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.
IndicatorIdaho Falls-Rexburg-Blackfoot, IDCombined statistical areaIdahoStateUnited StatesNation
Race & Ethnicity
White84.1%81.7%61.0%
Black0.4%0.8%12.2%
Asian0.8%1.4%6.0%
Two or more races8.2%9.7%12.6%
Other race6.5%6.5%8.2%
Hispanic or Latino13.6%13.6%19.3%
Income & Age
Median household income$75,547$77,800$84,427
Poverty rate13.1%10.7%12.5%
Median age31.837.639.1
Age 18–2415.8%9.8%9.2%
Age 65 and older12.5%17.1%17.2%
Education & Language
Speaks a non-English language at home10.7%11.0%22.3%
Ancestry
Largest ancestryEnglish 27.2%English 19.3%German 12.5%
2nd-largest ancestryGerman 12.6%German 16.5%English 9.5%
3rd-largest ancestryAmerican 6.8%Irish 9.5%Irish 9.4%
Religion
Catholic4.3%11.1%18.6%
Evangelical Protestant3.1%12.4%16.5%
Unaffiliated or unclaimed35.4%50.2%51.5%
Latter-day Saints55.5%22.1%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
27.2%
German
12.6%
American
6.8%
Irish
5.4%
Scottish
3.7%
Italian
2.0%
French
1.7%
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: 31.8 in this county, 39.1 nationally
Male
Age
Female
0.5%
85+
0.7%
1.7%
75–84
2.0%
3.8%
65–74
3.8%
4.6%
55–64
4.5%
4.9%
45–54
4.6%
6.1%
35–44
6.0%
6.8%
25–34
6.3%
6.9%
18–24
8.9%
10.6%
5–17
10.1%
3.6%
<5
3.5%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$75,547
Idaho Falls-Rexburg-Blackfoot, ID ranks near the middle of US counties.
Idaho Falls-Rexburg-Blackfoot, ID$75,547
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
13.1%
Child poverty is below the national average.
Children under 1814.2%
Working age (18–64)12.4%
Seniors (65+)10.5%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
89.3%
speak English only
Spanish8.9%
Other Indo-European1.0%
Asian & Pacific Islander0.7%
Other languages0.3%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Latter-day Saints
55.5%
Catholic
4.3%
Evangelical Protestant
3.1%
Mainline Protestant
1.0%
Other Christian
0.6%
Other faiths
0.1%
Black Protestant
0.1%
Unaffiliated or not counted35.4%
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.

Idaho Falls-Rexburg-Blackfoot, ID sits in the Northern Rockies. In 2024 it voted Republican.

Across the recorded series it reached a Democratic high of 78.9 points in 1896 and a Republican high of 67.2 points in 1984. Between 2020 and 2024 the region moved 1.7 points toward the Republican candidate; the 2024 margin was 56.0 points.

A population of 283,586, a 84% non-Hispanic-white share, and a median household income of $75,547 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.
Idaho Falls-Rexburg-Blackfoot, ID. Akashic. https://akashic.app/csa/292/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Idaho Falls-Rexburg-Blackfoot, ID vote in 2024?
In 2024, Idaho Falls-Rexburg-Blackfoot, ID voted Republican by 56.0 points (R+56.0), carried by the Republican candidate. Out of 118,553 votes cast, 24,133 went Democratic and 90,560 went Republican.
What is Idaho Falls-Rexburg-Blackfoot, ID's political typology?
Akashic places Idaho Falls-Rexburg-Blackfoot, ID 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 8 times, Republican 25 times, and other 1 times.
When did Idaho Falls-Rexburg-Blackfoot, ID last vote Democratic?
The most recent presidential election in which Idaho Falls-Rexburg-Blackfoot, ID voted Democratic was 1948.
How many people live in Idaho Falls-Rexburg-Blackfoot, ID?
Idaho Falls-Rexburg-Blackfoot, ID has a population of 283,586 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Idaho Falls-Rexburg-Blackfoot, ID?
Median household income in Idaho Falls-Rexburg-Blackfoot, ID is $75,547 — below the national median of $80,734. The Idaho state median is $77,800.
What is the political history of Idaho Falls-Rexburg-Blackfoot, ID?
Akashic tracks 38 presidential elections in Idaho Falls-Rexburg-Blackfoot, ID from 1876 to 2024. Of those, 8 went Democratic and 25 went Republican. The region's typology — "" — captures where that record, its demographics, and its recent swing place it among American communities.