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Sioux City Times

Thursday, October 2, 2025

Census Bureau reports Le Mars population was 10,012 in 2020

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Le Mars had a population of 10,012 people in 2020, according to U.S. Census Bureau data obtained by the Sioux City Times.

The median age was 38, with 52.9 percent of the total population being female and 47.1 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.

Le Mars population by sex

Estimated NumberPercent of total population
Male4,72047.1
Female5,29252.9
Total Population10,012100

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