Frankfort, Illinois

Frankfort population, 2020 to 2024

Frankfort added 848 residents from July 2020 to July 2024, a change of +4.2%. In the latest year it moved by +187. Among 330 Illinois places of 5,000 or more, that growth ranks 25th; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so Frankfort is 1.4 times that size.

Frankfort covers 15.62 square miles of land, for 1,355 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Frankfort is less dense than the typical town.

What county Frankfort is in

All of Frankfort's residents live in Will County, which had 708,583 residents in 2024. Frankfort holds 3.0% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Frankfort

1 ZIP Code Tabulation Area (ZCTA) overlaps Frankfort by at least 10% of the ZCTA's or the village's land: 60423. 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 Frankfort is

The Census internal point of Frankfort is at 41.507000, -87.871000. Springfield, the capital, is 151.4 miles SW in a straight line. The nearest larger place is New Lenox, IL (28,480 people), 5.2 miles away. The nearest city of 100,000 or more is Joliet, IL, 14.4 miles away.

Daylight in Frankfort

At 41.51° N, Frankfort gets about 15 h 11 min of daylight around the June solstice and 9 h 10 min around the December solstice, a swing of 6 h 01 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Frankfort

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Mokena, 1.6 miles away, with 19,915 people.