Oak Forest, Illinois

Oak Forest population, 2020 to 2024

Oak Forest lost 558 residents from July 2020 to July 2024, a change of -2.0%. In the latest year it moved by +395. Among 330 Illinois places of 5,000 or more, that growth ranks 224th; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so Oak Forest is 1.8 times that size.

Oak Forest covers 6.03 square miles of land and 0.05 of water, for 4,447 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Oak Forest is denser than the typical town.

What county Oak Forest is in

All of Oak Forest's residents live in Cook County, which had 5,182,617 residents in 2024. Oak Forest holds 0.5% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Oak Forest

1 ZIP Code Tabulation Area (ZCTA) overlaps Oak Forest by at least 10% of the ZCTA's or the city's land: 60452. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Oak Forest is

The Census internal point of Oak Forest is at 41.606700, -87.753300. Springfield, the capital, is 160.6 miles SW in a straight line. The nearest larger place is Tinley Park, IL (54,856 people), 3.7 miles away. The nearest city of 100,000 or more is Chicago, IL, 16.3 miles away.

Daylight in Oak Forest

At 41.61° N, Oak Forest gets about 15 h 12 min of daylight around the June solstice and 9 h 10 min around the December solstice, a swing of 6 h 02 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Oak Forest

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Midlothian, 2.0 miles away, with 13,870 people.