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McHenry Times

Monday, June 9, 2025

Census Bureau reports Wonder Lake population was 3,955 in 2020

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Wonder Lake had a population of 3,955 people in 2020, according to U.S. Census Bureau data obtained by the McHenry Times.

The median age was 35, with 49 percent of the total population being female and 51 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.

Wonder Lake population by sex

Estimated NumberPercent of total population
Male2,01951.0
Female1,93649.0
Total Population3,955100

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