Fort Madison, Iowa Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Fort Madison, Iowa is 10,221 as of the 2023 American Community Survey, making it the 42nd-largest city in Iowa. The median household income is $49,359, the median home value is $95,900, and the median age is 43.9.
The population has declined 10.0% since 2010 (11,091 → 9,983).
10,221
Population
1059
People / sq mi
$49,359
Median Income
$95,900
Median Home Value
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Fort Madison covers 9.7 sq mi of land at 1059 people per square mile.
About Fort Madison, IA
In Fort Madison, home values do the distinguishing — a median of $95,900. With 10,221 residents, Fort Madison is a city in Iowa. It ranks #42 among cities in Iowa by population.
Household earnings sit near the bottom of the range at $49,359, below the US median of $78,538. Roughly 11.0% of residents fall below the poverty line, below the national 12.4%. Housing costs are among the lowest of comparable places: a median home value of $95,900, with typical rent around $824.
Degree attainment is on the lower side for US cities: 19.1% of adults hold a bachelor’s degree, below the national 35.0%. Remote work is on the lower side here, at 5.9%, below the national 14.0%, and the average commute runs about 23 minutes each way.
Fort Madison city Population History (2010-2024)
The city of Fort Madison city had a population of 11,091 in 2010 and 9,983 in 2024, a -10.0% growth over 14 years. The peak was 11,091 in 2010. Average annual growth rate: -0.75%.
9,983
Population (2024)
11,091
Population (2010)
11,091
Peak (2010)
-0.75%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 11,091 |
| 2011 | 11,028 |
| 2012 | 11,046 |
| 2013 | 10,784 |
| 2014 | 10,721 |
| 2015 | 10,709 |
| 2016 | 10,643 |
| 2017 | 10,497 |
| 2018 | 10,381 |
| 2019 | 10,321 |
| 2020 | 10,313 |
| 2021 | 10,241 |
| 2022 | 10,119 |
| 2023 | 10,027 |
| 2024 | 9,983 |
Race & Ethnicity
| White | 87.9% |
| Black or African American | 4.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.2% |
| Two or More Races | 0.0% |
Economy & Income
$49,359
Median Household Income
$28,004
Per Capita Income
11.0%
Poverty Rate
2.3%
Unemployment Rate
Housing
$95,900
Median Home Value
$824
Median Rent
73.1%
Owner-Occupied
Education
94.2%
High School+
19.1%
Bachelor's+
Commute
0.7%
Drive Alone
74.8%
Public Transit
5.9%
Work From Home
22.8 min
Avg Commute
Community Profile
29.9%
Foreign Born
97.6%
Non-English at Home
7.8%
Veterans
22.2%
With Disability
94.3%
Health Insurance
92.0%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 27.6% |
| Manufacturing | 18.9% |
| Public Administration | 7.2% |
| Retail Trade | 6.9% |
| Finance, Insurance & Real Estate | 4.9% |
| Arts, Entertainment & Food Services | 4.9% |
| Construction | 4.8% |
| Information | 4.5% |
| Education, Health Care & Social Services | 4.1% |
| Transportation & Warehousing | 0.6% |
| Agriculture & Mining | 0.2% |
Largest cities in Iowa
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City rankings
Frequently Asked Questions
Fort Madison, Iowa has a population of 10,221 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 42nd-largest city in Iowa.
The median household income in Fort Madison, Iowa is $49,359, with 11.0% of residents living below the federal poverty level.
The median home value in Fort Madison, Iowa is $95,900, with median monthly rent at $824 and a homeownership rate of 73.1%.
The median age in Fort Madison, Iowa is 43.9 years. The population is 51.9% male and 48.1% female.
The population has declined 10.0% since 2010 (11,091 → 9,983).
Fort Madison city, IA Climate
Fort Madison city, IA has an average annual temperature of 10.8°C (51°F) and receives about 932 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10.8°C
Avg Temp
932
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -5° / 23° | 37 mm |
| February | -2° / 29° | 30 mm |
| March | 5° / 40° | 72 mm |
| April | 11° / 52° | 91 mm |
| May | 17° / 62° | 105 mm |
| June | 22° / 72° | 100 mm |
| July | 25° / 76° | 110 mm |
| August | 23° / 74° | 93 mm |
| September | 19° / 66° | 110 mm |
| October | 13° / 55° | 74 mm |
| November | 5° / 41° | 62 mm |
| December | -2° / 28° | 48 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Fort Madison city, IA
The most comfortable months to visit Fort Madison city, IA are typically June, August and September, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 30°C high). The coldest is January (near -10°C low). July is usually the wettest month.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.