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Charleston Reporter

Sunday, February 23, 2025

Census Bureau reports Charleston County population was 407,543 in 2020

Webp names 10

Charleston County had a population of 407,543 people in 2020, according to U.S. Census Bureau data obtained by the Charleston Reporter.

The median age was 38, with 51.6 percent of the total population being female and 48.4 percent male.

The state's total population in 2020 was 5,091,517.

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.

Charleston County population by sex

Estimated NumberPercent of total population
Male197,20548.4
Female210,33851.6
Total Population407,543100