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Illinois Valley Times

Monday, September 15, 2025

Census Bureau reports Oglesby population was 3,652 in 2020

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Oglesby had a population of 3,652 people in 2020, according to U.S. Census Bureau data obtained by the Illinois Valley Times.

The median age was 41, with 48.5 percent of the total population being female and 51.5 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.

Oglesby population by sex

Estimated NumberPercent of total population
Male1,88151.5
Female1,77148.5
Total Population3,652100

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