Fort Madison, IA Demographics

A map of Fort Madison's Population by Race

Fort Madison, Iowa has an estimated population of 10,133, a slight decrease from the 10,270 recorded in the 2020 Census. The population is 87.9% White, 4.8% Hispanic, 3.5% Black, 3.0% Multiracial, 0.6% Asian, and 0.3% Native American/Other. This demographic dot map shows the population of Fort Madison, with one dot drawn for each person counted by the Census, color-coded by race.

Fort Madison has become considerably less racially diverse since the 2020 Census. It is considerably less diverse than Iowa overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Fort Madison, that probability was 29.5% in 2020 and 22.3% in the most recent ACS estimates.

Fort Madison is ranked the 42nd most populous place in Iowa, out of 1,026 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Fort Madison was ranked the 41st most populous place in the 2020 Census.

Fort Madison's White Population

8,905 residents of Fort Madison, or 87.9% of the population, identify as White. The share of White residents in Fort Madison is higher than in Iowa overall, where 82.3% of the population is White. Fort Madison ranks 923rd statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Fort Madison's White population has grown by an estimated 3.9%. White residents' share of Fort Madison's population has increased from 83.5% to 87.9%.

Fort Madison is less White than neighboring Niota (100% White), Nauvoo (96.5% White), Montrose (94.2% White), Denmark (97.6% White), and West Point (93.8% White).

Fort Madison's Black Population

354 residents of Fort Madison, or 3.5% of the population, identify as Black. The share of Black residents in Fort Madison is comparable to the share in Iowa overall, where 3.8% of the population is Black. Fort Madison ranks 37th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Fort Madison's Black population has declined by an estimated 20.3%. Black residents' share of Fort Madison's population has decreased from 4.3% to 3.5%.

Fort Madison is more Black than neighboring Niota (0% Black), Nauvoo (0.9% Black), Montrose (0.9% Black), Denmark (0% Black), and West Point (0% Black).

Fort Madison's Asian Population

56 residents of Fort Madison, or 0.6% of the population, identify as Asian. The share of Asian residents in Fort Madison is comparable to the share in Iowa overall, where 2.5% of the population is Asian. Fort Madison ranks 242nd statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Fort Madison's Asian population has declined by an estimated 11.1%. Asian residents' share of Fort Madison's population has remained roughly unchanged at 0.6%.

Fort Madison is more Asian than neighboring Niota (0% Asian), Nauvoo (0.5% Asian), and Denmark (0% Asian). Fort Madison is less Asian than neighboring Montrose (0.7% Asian), and West Point (1.4% Asian).

Fort Madison's Hispanic Population

483 residents of Fort Madison, or 4.8% of the population, identify as Hispanic. The share of Hispanic residents in Fort Madison is slightly lower than in Iowa overall, where 7.3% of the population is Hispanic. Fort Madison ranks 172nd statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Fort Madison's Hispanic population has declined by an estimated 24.6%. Hispanic residents' share of Fort Madison's population has decreased from 6.2% to 4.8%.

Fort Madison is more Hispanic than neighboring Niota (0% Hispanic), Nauvoo (2% Hispanic), Montrose (0.4% Hispanic), Denmark (2.4% Hispanic), and West Point (0% Hispanic).

Fort Madison's Native American/Other Population

35 residents of Fort Madison, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Fort Madison is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Fort Madison ranks 274th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Fort Madison's Native American/Other population has declined by an estimated 43.5%. Native American/Other residents' share of Fort Madison's population has remained roughly unchanged at 0.3%.

Fort Madison is more Native American/Other than neighboring Niota (0% Native American/Other), Nauvoo (0% Native American/Other), Montrose (0% Native American/Other), and Denmark (0% Native American/Other). Fort Madison is less Native American/Other than neighboring West Point (2.5% Native American/Other).

Fort Madison's Multiracial Population

300 residents of Fort Madison, or 3.0% of the population, identify as Multiracial. The share of Multiracial residents in Fort Madison is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Fort Madison ranks 138th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Fort Madison's Multiracial population has declined by an estimated 38.3%. Multiracial residents' share of Fort Madison's population has decreased from 4.7% to 3.0%.

Fort Madison is more Multiracial than neighboring Niota (0% Multiracial), Nauvoo (0.1% Multiracial), Denmark (0% Multiracial), and West Point (2.3% Multiracial). Fort Madison is less Multiracial than neighboring Montrose (3.8% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.