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Rock Island Today

Friday, October 3, 2025

Census Bureau reports Coal Valley population was 3,817 in 2020

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Coal Valley had a population of 3,817 people in 2020, according to U.S. Census Bureau data obtained by the Rock Island Today.

The median age was 46, with 43.5 percent of the total population being female and 56.5 percent male.

The state's total population in 2020 was 12,716,164.

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.

Coal Valley population by sex

Estimated NumberPercent of total population
Male2,15556.5
Female1,66243.5
Total Population3,817100

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