Dupage Policy Journal

Oak Brook had a population of 8,075 people in 2019, according to U.S. Census Bureau data obtained by the DuPage Policy Journal.

The median age was 56, with 53.3 percent of the total population being female and 46.7 percent male.

The state's total population in 2019 was 12,770,631.

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.

	Estimated Number	Percent of total population
Male	3,774	46.7
Female	4,301	53.3
Total Population	8,075	100