Glen Carbon, Illinois

Glen Carbon population, 2020 to 2024

Glen Carbon added 28 residents from July 2020 to July 2024, a change of +0.2%. In the latest year it moved by -8. Among 330 Illinois places of 5,000 or more, that growth ranks 99th; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so Glen Carbon is 94% of it.

Glen Carbon covers 10.33 square miles of land and 0.12 of water, for 1,344 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Glen Carbon is less dense than the typical town.

What county Glen Carbon is in

All of Glen Carbon's residents live in Madison County, which had 263,017 residents in 2024. Glen Carbon holds 5.3% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Glen Carbon

1 ZIP Code Tabulation Area (ZCTA) overlaps Glen Carbon by at least 10% of the ZCTA's or the village's land: 62034. 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 Glen Carbon is

The Census internal point of Glen Carbon is at 38.758200, -89.983100. Springfield, the capital, is 72.9 miles NNE in a straight line. The nearest larger place is Edwardsville, IL (26,715 people), 2.3 miles away. The nearest city of 100,000 or more is St. Louis, MO, 16.5 miles away.

Daylight in Glen Carbon

At 38.76° N, Glen Carbon gets about 14 h 53 min of daylight around the June solstice and 9 h 27 min around the December solstice, a swing of 5 h 26 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Glen Carbon

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Maryville, 2.2 miles away, with 8,352 people.