combined metro areaIdaho Falls-Rexburg-Blackfoot, ID
presidential margin
2004–2024 · Democratic minus Republican
2004R+62.9
2008R+51.9
2012R+61.9
2016R+47.6
2020R+54.3
2024R+56.0
full record · 1892 → 2024
presidential returns
2024 turnout 60.2% of 196,885 citizens 18+
Year
Democrat
Republican
Others
Total
CVAP
Turnout
2024
24,133
90,560
3,874
118,567
196,885
60.2%
2020
23,891
85,508
4,050
113,449
166,500
68.1%
2016
14,842
59,987
20,109
94,938
155,193
61.2%
2012
16,928
74,964
1,805
93,697
150,012
62.5%
2008
20,492
66,991
2,163
89,646
141,809
63.2%
2004
14,933
67,220
1,001
83,154
133,606†
62.2%
† Citizen voting-age population estimated for prior cycles; 2004 predates the ACS and is extrapolated. Source: ACS 5-year, table B05003.
——
D+60R+60
6 counties by 2024 margin · County returns · MIT Election Lab
People and households
Who lives here
Exact values for this place, its state, and the United States.
Race · ethnicity · ancestry
Communities and origins
GroupIdaho Falls-Rexburg-Blackfoot, IDIdahoUnited States
English27.2%19.3%9.5%
German12.6%16.5%12.5%
American6.8%5.3%5.3%
Irish5.4%9.5%9.4%
Scottish3.7%3.2%1.3%
Danish2.8%——
Swedish2.6%1.9%—
Norwegian1.6%2.4%—
Mexican11.2%11.0%11.3%
Puerto Rican0.3%0.3%1.8%
Spaniard0.2%0.4%—
Spanish0.2%0.4%—
Guatemalan0.2%0.2%0.5%
Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.
Age and life stage
Measure
Idaho Falls-Rexburg-Blackfoot, ID
Idaho
United States
Median age
31.8
37.6
39.1
Age 18–24
15.8%
9.8%
9.2%
Age 65 and older
12.5%
17.1%
17.2%
Household economy
Measure
Idaho Falls-Rexburg-Blackfoot, ID
Idaho
United States
Median household income
$75,547
$77,800
$84,427
Poverty rate
13.1%
10.7%
12.5%
Bachelor's degree or higher (25+)
31.5%
31.8%
35.6%
Languages at home
Measure
Idaho Falls-Rexburg-Blackfoot, ID
Idaho
United States
Speaks a non-English language at home
10.7%
11.0%
22.3%
Spanish
8.9%
8.1%
13.6%
Religious landscape
Measure
Idaho Falls-Rexburg-Blackfoot, ID
Idaho
United States
Catholic
4.3%
11.1%
18.6%
Evangelical Protestant
3.1%
12.4%
16.5%
Unclaimed / not counted
35.4%
50.2%
51.5%
Latter-day Saints
55.5%
22.1%
2.0%
American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.
Idaho Falls-Rexburg-Blackfoot, ID
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
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
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year.
Year
Won
Democratic
Republican
Other
Margin
Swing
vs U.S.
Total
R
20.4%Harris24,133
76.4%Trump90,560
3.3%
R+56.0
R+1.7
R+54.6
118,567
R
21.1%Biden23,891
75.4%Trump85,508
3.6%
R+54.3
R+6.8
R+58.8
113,449
R
15.6%Clinton14,842
63.2%Trump59,987
21.2%
R+47.6
D+14.4
R+49.6
94,938
R
18.1%Obama16,928
80.0%Romney74,964
1.9%
R+61.9
R+10.1
R+65.8
93,697
R
22.9%Obama20,492
74.7%McCain66,991
2.4%
R+51.9
D+11.0
R+59.1
89,646
R
18.0%Kerry14,933
80.8%Bush67,220
1.2%
R+62.9
R+4.3
R+60.4
83,154
R
18.9%Gore13,514
77.5%Bush55,333
3.5%
R+58.6
R+22.4
R+59.1
71,375
R
25.2%Clinton17,581
61.4%Dole42,782
13.4%
R+36.2
R+6.9
R+44.7
69,688
R
18.8%Clinton13,634
48.0%Bush34,887
33.3%
R+29.2
D+22.0
R+34.8
72,703
R
23.6%Dukakis15,284
74.8%Bush48,536
1.7%
R+51.2
D+16.0
R+43.5
64,899
R
16.0%Mondale10,414
83.2%Reagan54,111
0.8%
R+67.2
R+4.0
R+49.0
65,026
R
15.9%Carter10,896
79.1%Reagan54,353
5.1%
R+63.2
R+30.1
R+53.5
68,721
R
31.7%Carter16,750
64.9%Ford34,241
3.4%
R+33.1
D+9.9
R+35.2
52,766
R
19.3%McGovern9,306
62.3%Nixon30,018
18.4%
R+43.0
R+5.3
R+19.9
48,163
R
24.9%Humphrey11,507
62.6%Nixon28,952
12.5%
R+37.7
R+33.7
R+37.0
46,245
R
48.0%Johnson21,696
52.0%Goldwater23,535
0.0%
R+4.1
D+5.4
R+26.6
45,231
R
45.3%Kennedy20,628
54.7%Nixon24,954
0.0%
R+9.5
D+17.9
R+9.7
45,582
R
36.3%Stevenson14,538
63.7%Eisenhower25,525
0.0%
R+27.4
D+7.0
R+12.0
40,063
R
32.8%Stevenson12,556
67.2%Eisenhower25,718
0.0%
R+34.4
R+41.9
R+23.6
38,290
D
53.2%Truman15,060
45.7%Dewey12,942
1.1%
D+7.5
R+1.9
D+3.0
28,321
D
54.6%Roosevelt15,020
45.2%Dewey12,442
0.1%
D+9.4
R+3.9
D+1.9
27,500
D
56.6%Roosevelt17,559
43.3%Willkie13,429
0.1%
D+13.3
R+23.0
D+3.4
31,028
D
67.3%Roosevelt18,335
31.0%Landon8,453
1.6%
D+36.3
D+13.2
D+12.0
27,231
D
60.9%Roosevelt16,124
37.8%Hoover10,018
1.2%
D+23.1
D+38.8
D+5.3
26,469
R
42.0%Smith8,700
57.7%Hoover11,962
0.3%
R+15.7
D+22.0
D+1.7
20,715
R
13.5%Davis2,759
51.3%Coolidge10,454
35.2%
R+37.8
D+0.9
R+12.6
20,382
R
30.7%Cox5,700
69.3%Harding12,870
0.0%
R+38.6
R+54.5
R+12.4
18,570
D
56.3%Wilson10,319
40.4%Hughes7,400
3.3%
D+15.9
D+32.2
D+12.8
18,319
R
27.9%Wilson3,589
44.1%Taft5,687
28.0%
R+16.3
D+4.2
R+35.8
12,882
R
36.3%Bryan4,604
56.8%Taft7,197
6.9%
R+20.5
D+28.6
R+10.9
12,672
R
21.8%Parker2,168
70.8%Roosevelt7,055
7.4%
R+49.1
R+50.9
R+29.4
9,959
D
50.3%Bryan3,766
48.5%McKinley3,631
1.2%
D+1.8
R+77.1
D+9.4
7,485
D
89.1%Bryan2,758
10.2%McKinley315
0.7%
D+78.9
D+127.3
D+85.0
3,095
O
0.0%Cleveland0
48.3%Harrison937
51.7%
Weaver +3.3
—
R+50.0
1,938
Congressional elections · 2 Senate races
U.S. Senate
Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year
Won
Democratic
Republican
Total
2022
R
17.1%12,018
74.2%52,181
70,352
2020
R
20.9%23,384
74.0%82,864
111,986
voter registration
Registered voters
By party of registration, over time
Party registration · 2024R+61.1
vs
Presidential vote · 2024R+56.0
Registration leans Republican; the presidential vote runs 5.1 points more Republican.
DemocraticRepublicanUnaffiliatedOther parties
Voter registration in Idaho Falls-Rexburg-Blackfoot, ID
Year
Total registered
Democratic
Republican
Unaffiliated
Other
2018
111,452
6,743
71,535
32,042
1,132
2020
130,354
9,903
83,725
35,083
1,643
2022
125,915
8,991
85,305
29,906
1,713
2024
132,238
9,501
90,334
30,545
1,858
domestic migration
Who moves in and out
Net domestic migration over time
+476 net domestic migration · 2025
20112025
Net +4,039 over 2011–2025 · gain loss
Domestic migration in Idaho Falls-Rexburg-Blackfoot, ID in Idaho Falls-Rexburg-Blackfoot, ID: net domestic migration by year
Year
Net domestic migration
2011
−1,614
2012
−2,460
2013
−2,716
2014
−1,683
2015
−1,596
2016
+1,277
2017
+1,523
2018
+558
2019
+1,780
2021
+4,822
2022
+2,823
2023
+174
2024
+675
2025
+476
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 81% non-Hispanic-white share, and a median household income of $75,547 describe the region. The region's voting pattern over the last decade is most similar to that of Amarillo-Borger, TX and Abilene-Sweetwater, TX.
Akashic
Political twins — combined metros
The combined metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
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.
Idaho Falls-Rexburg-Blackfoot, ID. Akashic. https://akashic.app/csa/292/. Accessed May 20, 2026. License: CC BY 4.0.
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 118,567 votes cast, 24,133 went Democratic and 90,560 went Republican.
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 34 presidential elections in Idaho Falls-Rexburg-Blackfoot, ID from 1892 to 2024. Of those, 8 went Democratic and 25 went Republican.
