Carroll, IA · which candidate this place backed in each party’s presidential nominating contest, cycle by cycle. A primary is a contest inside one party, so it has no Democratic–Republican margin and is not part of the general-election record above.
Akashic reports votes cast, not delegates awarded. The two can disagree: Clinton led the 2008 national primary popular vote by less than half a point and did not win the nomination.
Primary returns are published at county grain, and this place is a single county: Carroll County, Iowa. The figures below are that county’s, which is the same territory — not a larger unit standing in for it.
Presidential nominating contests in Carroll, IA, by party and cycle.
○no contest record — Akashic holds no result for that party and cycle here. It is not a claim that no contest was held. Telling apart a contest that was cancelled, one that went uncontested, and one simply not yet ingested needs a nominating-contest calendar, which is a separate ingest from results and does not exist yet.
Republican presidential primaries are not yet ingested — the Republican series runs from 1856 and is in scope. The row is kept so its absence is visible: a Democratic-only panel would otherwise read as though no one else held a contest.
Akashic carries 10 states for 2012 and 3 states for 2024. Cycles in which an incumbent president seeks renomination are thin by nature — few states run a contested primary — so a sparse column is politics, not a hole in the record.
County returns carry a leader and a lead over the runner-up, and nothing more. The full candidate field with vote shares is published at state grain — follow a cycle above to the state contest for it.
voter registration
Registered voters
By party of registration, over time
Party registration · 2024R+21.3
vs
Presidential vote · 2024R+41.8
Registration leans Republican; the presidential vote runs 21 points more Republican than the rolls.
DemocraticRepublicanUnaffiliatedOther parties
Voter registration in Carroll, IA
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
Domestic migration in Carroll, IA in Carroll, IA: net domestic migration by year
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.
Akashic
Political twins — metros
The 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 →
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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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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.
