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Kane County Reporter

Wednesday, August 6, 2025

Census Bureau reports Big Rock population was 1,271 in 2020

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Big Rock had a population of 1,271 people in 2020, according to U.S. Census Bureau data obtained by the Kane County Reporter.

The median age was 41, with 46 percent of the total population being female and 54 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.

Big Rock population by sex

Estimated NumberPercent of total population
Male68654.0
Female58546.0
Total Population1,271100

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