Carroll, IA, Iowa: Heartland Swing metro. In 2024, voted R+42%. Democratic peak: D+53 in 1964.
Key facts
- 2024 presidential margin
- R+42MIT Election Lab
- Political typology
- Heartland SwingAkashic typology
- Population
- 20,5942024 5-year
- Median household income
- $72,9302024 5-year
- White (non-Hispanic)
- 92.9%2024 5-year
- Black
- 0.7%2024 5-year
- Hispanic / Latino
- 3.5%2024 5-year
- Peak Democratic margin
- D+53 in 1964MIT Election Lab
- Peak Republican margin
- R+48 in 1920MIT Election Lab
2024 presidential election
Carroll, IA
TrumpR+42
Constituent county margins for Carroll, IA, IAOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
How it voted
Share of the 2024 vote
| Donald Trump ✓Republican | 70.1% | 7,814 |
|---|---|---|
| Kamala HarrisDemocratic | 28.3% | 3,153 |
| OtherAll other candidates | 1.6% | 173 |
D+60R+60
1 counties, each filled by 2024 D-vs-R margin.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 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
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 3,153 | 7,814 | 11,140 | ||
| R | 3,454 | 7,737 | 11,335 | ||
| R | 3,309 | 6,638 | 10,682 | ||
| R | 4,947 | 5,601 | 10,674 | ||
| D | 5,302 | 4,922 | 10,387 | ||
| R | 4,689 | 5,762 | 10,524 | ||
| R | 4,463 | 4,879 | 9,568 | ||
| D | 4,333 | 3,392 | 8,790 | ||
| D | 3,800 | 3,439 | 9,475 | ||
| D | 5,437 | 3,701 | 9,273 | ||
| R | 4,960 | 5,021 | 10,077 | ||
| R | 3,885 | 5,017 | 9,737 | ||
| D | 5,333 | 4,094 | 9,608 | ||
| D | 4,608 | 4,415 | 9,285 | ||
| D | 4,809 | 3,927 | 9,202 | ||
| D | 7,807 | 2,387 | 10,207 | ||
| D | 7,064 | 4,648 | 11,721 | ||
| R | 5,085 | 5,816 | 10,913 | ||
| R | 4,139 | 7,473 | 11,628 | ||
| D | 5,711 | 3,974 | 9,786 | ||
| R | 4,799 | 4,833 | 9,659 | ||
| D | 5,526 | 5,376 | 10,923 | ||
| D | 6,285 | 3,259 | 10,503 | ||
| D | 7,174 | 2,265 | 9,499 | ||
| D | 6,134 | 4,014 | 10,169 | ||
| R | 1,994 | 3,590 | 8,744 | ||
| R | 2,174 | 6,320 | 8,671 | ||
| R | 2,085 | 2,408 | 4,535 | ||
| D | 2,326 | 664 | 4,282 | ||
| D | 2,510 | 1,865 | 4,448 | ||
| R | 2,040 | 2,290 | 4,471 | ||
| D | 2,434 | 2,224 | 4,698 | ||
| D | 2,417 | 2,066 | 4,524 | ||
| D | 2,375 | 1,592 | 4,082 | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
51.6%
Irish
13.3%
English
6.0%
American
5.1%
French
1.2%
Italian
1.1%
Scottish
1.1%
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: 41.1 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$72,930
Carroll, IA ranks near the middle of US counties.
Carroll, IA$72,930
Iowa$75,059
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
7.9%
Child poverty is below the national average.
Children under 185.5%
Working age (18–64)8.4%
Seniors (65+)11.8%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
98.0%
speak English only
Spanish1.6%
Other Indo-European0.4%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 18.0% of residents not counted as adherents by any reporting body.
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 fifty-three points in 1964 and a Republican high of forty-eight points in 1920. Between 2020 and 2024 the metro moved four points toward the Republican candidate; the 2024 margin was forty-two points.
A population of 20,594, a 93% non-Hispanic-white share, and a median household income of $72,930 describe the metro.
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.
License: CC BY 4.0
Frequently asked questions
How did Carroll, IA, Iowa vote in 2024?
In 2024, Carroll, IA, Iowa voted Republican by 41.8 points (R+42), carried by the Republican candidate. Out of 11,140 votes cast, 3,153 went Democratic and 7,814 went Republican.
What is Carroll, IA, Iowa's political typology?
Akashic places Carroll, IA, Iowa in the "Heartland Swing" 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 metro has voted Democratic 19 times, Republican 15 times, and other 0 times.
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 38 presidential elections in Carroll, IA, Iowa from 1876 to 2024. Of those, 19 went Democratic and 15 went Republican. The metro's typology — "Heartland Swing" — captures where that record, its demographics, and its recent swing place it among American communities.