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South Iowa News

Tuesday, November 11, 2025

Census Bureau reports Lucas County population was 8,556 in 2020

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Lucas County had a population of 8,556 people in 2020, according to U.S. Census Bureau data obtained by the South Iowa News.

The median age was 44, with 49.3 percent of the total population being female and 50.7 percent male.

The state's total population in 2020 was 3,150,011.

An agency of the U.S. Federal Statistical System, the Census Bureau is responsible for compiling statistical facts about the American people, places and economy. Data for this story was compiled from the bureau’s American Community Survey. Information from the survey helps to determine how federal and state funds are distributed.

Lucas County population by sex

Estimated NumberPercent of total population
Male4,33850.7
Female4,21849.3
Total Population8,556100

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