Oak Park, Illinois

Oak Park population, 2020 to 2024

Oak Park lost 1,627 residents from July 2020 to July 2024, a change of -3.0%. In the latest year it moved by +275. Among 330 Illinois places of 5,000 or more, that growth ranks 296th; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so Oak Park is 3.6 times that size.

Oak Park covers 4.70 square miles of land, for 11,265 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Oak Park is denser than the typical town.

What county Oak Park is in

All of Oak Park's residents live in Cook County, which had 5,182,617 residents in 2024. Oak Park holds 1.0% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Oak Park

3 ZIP Code Tabulation Areas (ZCTAs) overlap Oak Park by at least 10% of the ZCTA's or the village's land: 60301, 60302, 60304. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a village that annexed land after 2020 may reach into ZIP codes not listed here.

Where Oak Park is

The Census internal point of Oak Park is at 41.887200, -87.789900. Springfield, the capital, is 175.0 miles SW in a straight line. The nearest larger place is Berwyn, IL (55,152 people), 3.0 miles away. The nearest city of 100,000 or more is Chicago, IL, 6.4 miles away.

Daylight in Oak Park

At 41.89° N, Oak Park gets about 15 h 14 min of daylight around the June solstice and 9 h 08 min around the December solstice, a swing of 6 h 06 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Oak Park

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is River Forest, 1.6 miles away, with 11,909 people.