Fort Madison, IA, Iowa: Heartland Swing metro. In 2024, voted R+28%. Republican peak: R+34 in 1920.
Key facts
- 2024 presidential margin
- R+28MIT Election Lab
- Political typology
- Heartland SwingAkashic typology
- Population
- 32,8932024 5-year
- Median household income
- $62,3822024 5-year
- White (non-Hispanic)
- 91.1%2024 5-year
- Black
- 2.5%2024 5-year
- Hispanic / Latino
- 3.5%2024 5-year
- Peak Democratic margin
- D+32 in 1964MIT Election Lab
- Peak Republican margin
- R+34 in 1920MIT Election Lab
2024 presidential election
Fort Madison, IA
TrumpR+28
Constituent county margins for Fort Madison, 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 | 62.7% | 10,152 |
|---|---|---|
| Kamala HarrisDemocratic | 34.9% | 5,659 |
| OtherAll other candidates | 2.4% | 387 |
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 | +10.8% |
| 1896 | +3.0% |
| 1900 | +7.1% |
| 1904 | −8.7% |
| 1908 | +4.9% |
| 1912 | +22.0% |
| 1916 | −4.7% |
| 1920 | −34.2% |
| 1924 | −27.7% |
| 1928 | −19.8% |
| 1932 | +19.8% |
| 1936 | +3.5% |
| 1940 | −7.6% |
| 1944 | −6.5% |
| 1948 | +8.1% |
| 1952 | −17.5% |
| 1956 | −16.9% |
| 1960 | −4.0% |
| 1964 | +31.9% |
| 1968 | −4.5% |
| 1972 | −12.7% |
| 1976 | +4.7% |
| 1980 | −3.2% |
| 1984 | +0.9% |
| 1988 | +27.1% |
| 1992 | +26.8% |
| 1996 | +24.9% |
| 2000 | +19.9% |
| 2004 | +15.0% |
| 2008 | +16.0% |
| 2012 | +15.5% |
| 2016 | −15.8% |
| 2020 | −19.3% |
| 2024 | −27.7% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 5,659 | 10,152 | 16,198 | ||
| R | 6,541 | 9,773 | 16,734 | ||
| R | 6,215 | 8,803 | 16,347 | ||
| D | 10,714 | 7,785 | 18,911 | ||
| D | 9,821 | 7,062 | 17,224 | ||
| D | 10,152 | 7,472 | 17,858 | ||
| D | 9,632 | 6,339 | 16,572 | ||
| D | 8,831 | 4,932 | 15,662 | ||
| D | 9,366 | 4,777 | 17,152 | ||
| D | 10,911 | 6,228 | 17,290 | ||
| D | 8,912 | 8,756 | 17,809 | ||
| R | 8,204 | 8,793 | 18,265 | ||
| D | 9,017 | 8,195 | 17,465 | ||
| R | 7,510 | 9,748 | 17,618 | ||
| R | 8,076 | 8,883 | 18,036 | ||
| D | 12,244 | 6,321 | 18,582 | ||
| R | 9,936 | 10,765 | 20,701 | ||
| R | 8,226 | 11,571 | 19,829 | ||
| R | 8,625 | 12,289 | 20,969 | ||
| D | 9,201 | 7,801 | 17,212 | ||
| R | 8,252 | 9,406 | 17,736 | ||
| R | 9,117 | 10,616 | 19,766 | ||
| D | 9,630 | 8,955 | 19,317 | ||
| D | 10,624 | 7,084 | 17,902 | ||
| R | 7,785 | 11,645 | 19,455 | ||
| R | 4,903 | 9,999 | 18,377 | ||
| R | 5,177 | 10,763 | 16,323 | ||
| R | 3,993 | 4,395 | 8,587 | ||
| D | 3,891 | 2,016 | 8,520 | ||
| D | 4,706 | 4,262 | 9,144 | ||
| R | 3,848 | 4,612 | 8,749 | ||
| D | 5,182 | 4,486 | 9,778 | ||
| D | 5,153 | 4,847 | 10,162 | ||
| D | 4,956 | 3,971 | 9,137 | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
33.0%
Irish
16.2%
English
11.4%
American
4.6%
Italian
1.4%
French
1.4%
Scottish
1.4%
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: 43.6 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
$62,382
Fort Madison, IA ranks near the middle of US counties.
Fort Madison, IA$62,382
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
13.1%
Children face moderate poverty.
Children under 1817.2%
Working age (18–64)12.0%
Seniors (65+)11.8%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
97.4%
speak English only
Spanish1.6%
Other Indo-European0.5%
Asian & Pacific Islander0.4%
Other languages0.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 57.7% of residents not counted as adherents by any reporting body.
Fort Madison, IA sits in the Corn Belt. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of thirty-two points in 1964 and a Republican high of thirty-four points in 1920. Between 2020 and 2024 the metro moved eight points toward the Republican candidate; the 2024 margin was twenty-eight points.
A population of 32,893, a 91% non-Hispanic-white share, and a median household income of $62,382 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.
Fort Madison, IA, Iowa. Akashic. https://akashic.app/cbsa/22800/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did Fort Madison, IA, Iowa vote in 2024?
In 2024, Fort Madison, IA, Iowa voted Republican by 27.7 points (R+28), carried by the Republican candidate. Out of 16,198 votes cast, 5,659 went Democratic and 10,152 went Republican.
What is Fort Madison, IA, Iowa's political typology?
Akashic places Fort Madison, 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 18 times, Republican 16 times, and other 0 times.
When did Fort Madison, IA, Iowa last vote Democratic?
The most recent presidential election in which Fort Madison, IA, Iowa voted Democratic was 2012.
How many people live in Fort Madison, IA, Iowa?
Fort Madison, IA, Iowa has a population of 32,893 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Fort Madison, IA, Iowa?
Median household income in Fort Madison, IA, Iowa is $62,382 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Fort Madison, IA, Iowa?
Akashic tracks 38 presidential elections in Fort Madison, IA, Iowa from 1876 to 2024. Of those, 18 went Democratic and 16 went Republican. The metro's typology — "Heartland Swing" — captures where that record, its demographics, and its recent swing place it among American communities.