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South DSM News

Tuesday, March 4, 2025

Census Bureau reports Norwalk population was 11,467 in 2020

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Norwalk had a population of 11,467 people in 2020, according to U.S. Census Bureau data obtained by the South DSM News.

The median age was 36, with 51.4 percent of the total population being female and 48.6 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.

Norwalk population by sex

Estimated NumberPercent of total population
Male5,57848.6
Female5,88951.4
Total Population11,467100