Charleston, Illinois

Charleston population, 2020 to 2024

Charleston lost 218 residents from July 2020 to July 2024, a change of -1.2%. In the latest year it moved by -48. Among 330 Illinois places of 5,000 or more, that growth ranks 181st; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so Charleston is 1.2 times that size.

Charleston covers 9.08 square miles of land and 0.71 of water, for 1,912 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Charleston is less dense than the typical town.

What county Charleston is in

All of Charleston's residents live in Coles County, which had 46,423 residents in 2024. Charleston holds 37.4% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Charleston

1 ZIP Code Tabulation Area (ZCTA) overlaps Charleston by at least 10% of the ZCTA's or the city's land: 61920. 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 Charleston is

The Census internal point of Charleston is at 39.484800, -88.177600. Springfield, the capital, is 81.0 miles WNW in a straight line. The nearest larger place is Terre Haute, IN (58,531 people), 42.8 miles away. The nearest city of 100,000 or more is Springfield, IL, 80.9 miles away.

Daylight in Charleston

At 39.48° N, Charleston gets about 14 h 58 min of daylight around the June solstice and 9 h 23 min around the December solstice, a swing of 5 h 35 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Charleston

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Mattoon, 9.9 miles away, with 16,602 people.