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NE Missouri News

Friday, October 31, 2025

Census Bureau reports Marion County population was 28,572 in 2020

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Marion County had a population of 28,572 people in 2020, according to U.S. Census Bureau data obtained by the NE Missouri News.

The median age was 39, with 51.5 percent of the total population being female and 48.5 percent male.

The state's total population in 2020 was 6,124,160.

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.

Marion County population by sex

Estimated NumberPercent of total population
Male13,86048.5
Female14,71251.5
Total Population28,572100

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