HarrisDemocratic28.3%3,153TrumpRepublican70.1%7,814OtherAll other candidates1.6%173
R+41.8- Lead
- 4,661
- Total
- 11,140
- vs nation
- R+40.4
Akashicmetro area
Carroll, IA
Office (updates table and map)
President margin by year
Place winner margin
1 counties by 2024 margin · County returns · MIT Election Lab
President results by year
Vote totals, margins, and source status
BidenDemocratic30.5%3,454TrumpRepublican68.3%7,737OtherAll other candidates1.3%144
R+37.8- Lead
- 4,283
- Total
- 11,335
- vs nation
- R+42.2
ClintonDemocratic31.0%3,309TrumpRepublican62.1%6,638OtherAll other candidates6.9%735
R+31.2- Lead
- 3,329
- Total
- 10,682
- vs nation
- R+33.3
ObamaDemocratic46.3%4,947RomneyRepublican52.5%5,601OtherAll other candidates1.2%126
R+6.1- Lead
- 654
- Total
- 10,674
- vs nation
- R+10.0
ObamaDemocratic51.0%5,302McCainRepublican47.4%4,922OtherAll other candidates1.6%163
D+3.7- Lead
- 380
- Total
- 10,387
- vs nation
- R+3.6
KerryDemocratic44.6%4,689BushRepublican54.8%5,762OtherAll other candidates0.7%73
R+10.2- Lead
- 1,073
- Total
- 10,524
- vs nation
- R+7.7
GoreDemocratic46.6%4,463BushRepublican51.0%4,879OtherAll other candidates2.4%226
R+4.3- Lead
- 416
- Total
- 9,568
- vs nation
- R+4.9
ClintonDemocratic49.3%4,333DoleRepublican38.6%3,392OtherAll other candidates12.1%1,065
D+10.7- Lead
- 941
- Total
- 8,790
- vs nation
- D+2.2
Key facts
- 2024 presidential margin
- R+41.8MIT Election Lab
- Population
- 20,5942024 5-year
- Population density
- 36 / sq mi2024 5-year · TIGER/Line
- Land area
- 570 sq miTIGER/Line
- Median household income
- $72,9302024 5-year
- White (non-Hispanic)
- 91.9%2024 5-year
- Black
- 0.5%2024 5-year
- Hispanic / Latino
- 3.5%2024 5-year
- Peak Democratic margin
- D+53.1 in 1964MIT Election Lab
- Peak Republican margin
- R+47.8 in 1920MIT Election Lab
- Most similar
- New Ulm, MN · twin score 83.5
presidential history
Party record book
Carroll, IA · 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
Lyndon B. Johnson1964
76.5%
7,807 votes · D+53.1
Runner-up · Franklin D. Roosevelt, 1932 · 75.5%
Republican
Warren G. Harding1920
72.9%
6,320 votes · R+47.8
Runner-up · Donald Trump, 2024 · 70.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Lyndon B. Johnson1964
7,807votes
76.5% of the vote · D+53.1
Runner-up · Franklin D. Roosevelt, 1932 · 7,174 votes
Republican
Donald Trump2024
7,814votes
70.1% of the vote · R+41.8
Runner-up · Donald Trump, 2020 · 7,737 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
Al Smith1928
+38.3pts D vs U.S.
Place D+20.8 · U.S. R+17.5
Runner-up · Franklin D. Roosevelt, 1932 · +33.9 pts
Republican
Donald Trump2020
+42.2pts R vs U.S.
Place R+37.8 · U.S. D+4.5
Runner-up · Donald Trump, 2024 · +40.4 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
Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
voter registration
Registered voters
By party of registration, over time
Party registration · 2024R+21.3
Presidential vote · 2024R+41.8
Registration leans Republican; the presidential vote runs 21 points more Republican than the rolls.
DemocraticRepublicanUnaffiliatedOther parties
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 14,965 | 5,306 | 3,154 | 6,499 | 6 |
| 2010 | 14,927 | 4,616 | 4,026 | 6,273 | 12 |
| 2012 | 15,154 | 4,357 | 4,167 | 6,607 | 23 |
| 2014 | 15,161 | 4,181 | 4,133 | 6,801 | 46 |
| 2016 | 15,097 | 4,023 | 4,410 | 6,597 | 67 |
| 2018 | 14,415 | 3,744 | 4,422 | 6,164 | 85 |
| 2020 | 14,878 | 3,833 | 5,290 | 5,659 | 96 |
| 2022 | 14,859 | 3,440 | 5,649 | 5,660 | 110 |
| 2024 | 15,002 | 3,015 | 6,206 | 5,635 | 146 |
domestic migration
Who moves in and out
Net domestic migration over time
−125 net domestic migration · 2025
20112025
Net −1,183 over 2011–2025 · gain loss
| Year | Net domestic migration |
|---|---|
| 2011 | −4 |
| 2012 | −241 |
| 2013 | −119 |
| 2014 | −63 |
| 2015 | −108 |
| 2016 | −67 |
| 2017 | −112 |
| 2018 | −140 |
| 2019 | −8 |
| 2021 | +50 |
| 2022 | −166 |
| 2023 | −19 |
| 2024 | −61 |
| 2025 | −125 |
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 →
Cite this page
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
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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.