Akashic
1892–2024
Akashic
Carroll, IA
presidential margin
2008D+3.72012R+6.12016R+31.22020R+37.82024R+41.8
full record · 1892 → 2024
R+41.8
2024
median income$72,930U.S. $80,734 · IA $75,059
median age41.1U.S. 39.1 · IA 38.8
poverty rate7.9%U.S. 12.5% · IA 11.1%
bachelor’s+ (25+)24.0%U.S. 35.6% · IA 31.8%
non-english2.0%U.S. 22.3% · IA 9.2%
race · ethnicity · ancestry
German51.6%
Irish13.3%
English6.0%
Mexican2.2%
Cuban0.7%
Puerto Rican0.2%
religion
other traditions
Mainline10.6%
Latter-day Saints1.6%
American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents, unaffiliated is the unclaimed remainder.

Carroll, IA, Iowa

Akashic
Carroll, IATrumpR+41.8
—
2024 presidential margin by county for Carroll, IA, IAA map of the single county of Carroll, IA, IA, 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.Carroll County, IA · R+41.8
How it voted
Share of the 2024 vote
Donald Trump ✓Republican70.1%7,814
Kamala HarrisDemocratic28.3%3,153
Robert F. Kennedy Jr.We The People1.6%173
D+60
R+60
A single county, filled by its 2024 D-vs-R margin. Hover it for the full result.
County-level results (1 county) — table
2024 presidential result by county for Carroll, IA, IA — winner and D-vs-R margin.
CountyWinnerMargin
Carroll County, IARepublicanR+41.8
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
R
28.3%Harris3,153
70.1%Trump7,814
1.6%Kennedy173
−41.8%
11,140
R
30.5%Biden3,454
68.3%Trump7,737
1.3%Jorgensen144
−37.8%
11,335
R
31.0%Clinton3,309
62.1%Trump6,638
6.9%Johnson735
−31.2%
10,682
R
46.3%Obama4,947
52.5%Romney5,601
1.2%Johnson126
−6.1%
10,674
D
51.0%Obama5,302
47.4%McCain4,922
1.6%Nader163
+3.7%
10,387
R
44.6%Kerry4,689
54.8%Bush5,762
0.7%Other73
−10.2%
10,524
R
46.6%Gore4,463
51.0%Bush4,879
2.4%Nader226
−4.3%
9,568
D
49.3%Clinton4,333
38.6%Dole3,392
12.1%Perot1,065
+10.7%
8,790
D
40.1%Clinton3,800
36.3%Bush3,439
23.6%Perot2,236
+3.8%
9,475
D
58.6%Dukakis5,437
39.9%Bush3,701
1.5%Larouche135
+18.7%
9,273
R
49.2%Mondale4,960
49.8%Reagan5,021
1.0%Larouche96
−0.6%
10,077
R
39.9%Carter3,885
51.5%Reagan5,017
8.6%Anderson835
−11.6%
9,737
D
55.5%Carter5,333
42.6%Ford4,094
1.9%McCarthy181
+12.9%
9,608
D
49.6%McGovern4,608
47.5%Nixon4,415
2.8%Schmitz262
+2.1%
9,285
D
52.3%Humphrey4,809
42.7%Nixon3,927
5.1%Wallace466
+9.6%
9,202
D
76.5%Johnson7,807
23.4%Goldwater2,387
0.1%Hass13
+53.1%
10,207
D
60.3%Kennedy7,064
39.7%Nixon4,648
0.1%Byrd9
+20.6%
11,721
R
46.6%Stevenson5,085
53.3%Eisenhower5,816
0.1%Andrews12
−6.7%
10,913
R
35.6%Stevenson4,139
64.3%Eisenhower7,473
0.1%Hallinan16
−28.7%
11,628
D
58.4%Truman5,711
40.6%Dewey3,974
1.0%Thurmond101
+17.7%
9,786
R
49.7%Roosevelt4,799
50.0%Dewey4,833
0.3%Thomas27
−0.4%
9,659
D
50.6%Roosevelt5,526
49.2%Willkie5,376
0.2%Thomas21
+1.4%
10,923
D
59.8%Roosevelt6,285
31.0%Landon3,259
9.1%Lemke959
+28.8%
10,503
D
75.5%Roosevelt7,174
23.8%Hoover2,265
0.6%Thomas60
+51.7%
9,499
D
60.3%Smith6,134
39.5%Hoover4,014
0.2%Thomas21
+20.8%
10,169
R
22.8%Davis1,994
41.1%Coolidge3,590
36.1%La Follette3,160
−18.3%
8,744
R
25.1%Cox2,174
72.9%Harding6,320
2.0%Debs177
−47.8%
8,671
R
46.0%Wilson2,085
53.1%Hughes2,408
0.9%Benson42
−7.1%
4,535
D
54.3%Wilson2,326
15.5%Taft664
30.2%Roosevelt1,292
+38.8%
4,282
D
56.4%Bryan2,510
41.9%Taft1,865
1.6%Debs73
+14.5%
4,448
R
45.6%Parker2,040
51.2%Roosevelt2,290
3.2%Debs141
−5.6%
4,471
D
51.8%Bryan2,434
47.3%McKinley2,224
0.9%Woolley40
+4.5%
4,698
D
53.4%Bryan2,417
45.7%McKinley2,066
0.9%Palmer41
+7.8%
4,524
D
58.2%Cleveland2,375
39.0%Harrison1,592
2.8%Weaver115
+19.2%
4,082
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 1892 to 2024. Most recent: −41.8% in 2024.flipped R · 2012−41.8%DR18922024
Presidential margin over time
YearMargin (D minus R)
1892+19.2%
1896+7.8%
1900+4.5%
1904−5.6%
1908+14.5%
1912+38.8%
1916−7.1%
1920−47.8%
1924−18.3%
1928+20.8%
1932+51.7%
1936+28.8%
1940+1.4%
1944−0.4%
1948+17.7%
1952−28.7%
1956−6.7%
1960+20.6%
1964+53.1%
1968+9.6%
1972+2.1%
1976+12.9%
1980−11.6%
1984−0.6%
1988+18.7%
1992+3.8%
1996+10.7%
2000−4.3%
2004−10.2%
2008+3.7%
2012−6.1%
2016−31.2%
2020−37.8%
2024−41.8%
DemocraticRepublican
voter registration
Registered voters
By party of registration, over time
Voter registration in Carroll, IARegistered voters by party of registration, 2008–2024. Latest total 15,002 in 2024.3.8K7.6K11.4K15.2K15K20082024
DemocraticRepublicanUnaffiliatedOther parties
Voter registration in Carroll, IA
YearTotal registeredDemocraticRepublicanUnaffiliatedOther
200814,9655,3063,1546,4996
201014,9274,6164,0266,27312
201215,1544,3574,1676,60723
201415,1614,1814,1336,80146
201615,0974,0234,4106,59767
201814,4153,7444,4226,16485
202014,8783,8335,2905,65996
202214,8593,4405,6495,660110
202415,0023,0156,2065,635146
Source: Iowa Secretary of State

Carroll sits in west-central Iowa's heavily agricultural corridor, where presidential margins have shifted decisively rightward over the past two decades as rural depopulation reshapes the electorate.

Across the recorded series it reached a Democratic high of 53.1 points in 1964 and a Republican high of 47.8 points in 1920. Between 2020 and 2024 the metro moved 4.1 points toward the Republican candidate; the 2024 margin was 41.8 points.

A population of 20,594, a 92% non-Hispanic-white share, and a median household income of $72,930 describe the metro. The metro's voting pattern over the last decade is most similar to that of New Ulm, MN and Aberdeen, SD.

Political twins — metros

The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

New Ulm, MN
83.5twin score
% Catholic% unaffiliatedGerman ancestry≠ 12-yr trend
Aberdeen, SD
80.2twin score
% unaffiliatedelasticityGerman ancestry≠ 12-yr trend
Spirit Lake, IA
74.3twin score
population scale% White2020–2024 trajectory≠ % Catholic

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 →

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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Carroll, IA, Iowa. Akashic. https://akashic.app/cbsa/16140/. Accessed May 20, 2026. License: CC BY 4.0.
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Places within Carroll, IA

counties1
Carroll County

Frequently asked questions

How did Carroll, IA, Iowa vote in 2024?
In 2024, Carroll, IA, Iowa voted Republican by 41.8 points (R+41.8), carried by the Republican candidate. Out of 11,140 votes cast, 3,153 went Democratic and 7,814 went Republican.
When did Carroll, IA, Iowa last vote Democratic?
The most recent presidential election in which Carroll, IA, Iowa voted Democratic was 2008.
How many people live in Carroll, IA, Iowa?
Carroll, IA, Iowa has a population of 20,594 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Carroll, IA, Iowa?
Median household income in Carroll, IA, Iowa is $72,930 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Carroll, IA, Iowa?
Akashic tracks 34 presidential elections in Carroll, IA, Iowa from 1892 to 2024. Of those, 19 went Democratic and 15 went Republican.