Prospect Heights, Illinois

Prospect Heights population, 2020 to 2024

Prospect Heights lost 425 residents from July 2020 to July 2024, a change of -2.7%. In the latest year it moved by +107. Among 330 Illinois places of 5,000 or more, that growth ranks 262nd; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so Prospect Heights is 1.1 times that size.

Prospect Heights covers 4.21 square miles of land and 0.03 of water, for 3,697 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Prospect Heights is denser than the typical town.

What county Prospect Heights is in

All of Prospect Heights's residents live in Cook County, which had 5,182,617 residents in 2024. Prospect Heights holds 0.3% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Prospect Heights

1 ZIP Code Tabulation Area (ZCTA) overlaps Prospect Heights by at least 10% of the ZCTA's or the city's land: 60070. 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 Prospect Heights is

The Census internal point of Prospect Heights is at 42.103700, -87.929000. Springfield, the capital, is 183.9 miles SSW in a straight line. The nearest larger place is Wheeling, IL (38,329 people), 1.8 miles away. The nearest city of 100,000 or more is Elgin, IL, 20.8 miles away.

Daylight in Prospect Heights

At 42.10° N, Prospect Heights gets about 15 h 15 min of daylight around the June solstice and 9 h 06 min around the December solstice, a swing of 6 h 09 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Prospect Heights

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Wheeling, 1.8 miles away, with 38,329 people.