East Alton, Illinois

East Alton population, 2020 to 2024

East Alton lost 147 residents from July 2020 to July 2024, a change of -2.5%. In the latest year it moved by -31. Among 330 Illinois places of 5,000 or more, that growth ranks 256th; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so East Alton is 38% of it.

East Alton covers 5.32 square miles of land and 0.16 of water, for 1,057 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so East Alton is less dense than the typical town.

What county East Alton is in

All of East Alton's residents live in Madison County, which had 263,017 residents in 2024. East Alton holds 2.1% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in East Alton

3 ZIP Code Tabulation Areas (ZCTAs) overlap East Alton by at least 10% of the ZCTA's or the village's land: 62002, 62018, 62024. 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 East Alton is

The Census internal point of East Alton is at 38.884100, -90.107900. Springfield, the capital, is 66.6 miles NNE in a straight line. The nearest larger place is Wood River, IL (10,251 people), 2.2 miles away. The nearest city of 100,000 or more is St. Louis, MO, 18.7 miles away.

Daylight in East Alton

At 38.88° N, East Alton gets about 14 h 54 min of daylight around the June solstice and 9 h 26 min around the December solstice, a swing of 5 h 27 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near East Alton

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Wood River, 2.2 miles away, with 10,251 people.