Marissa, Illinois

Marissa population, 2020 to 2024

Marissa lost 85 residents from July 2020 to July 2024, a change of -4.6%. In the latest year it moved by -15.

Marissa covers 7.21 square miles of land and 0.73 of water, for 242 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Marissa is less dense than the typical town.

What county Marissa is in

All of Marissa's residents live in St. Clair County, which had 251,149 residents in 2024. Marissa holds 0.7% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Marissa

1 ZIP Code Tabulation Area (ZCTA) overlaps Marissa by at least 10% of the ZCTA's or the village's land: 62257. 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 Marissa is

The Census internal point of Marissa is at 38.249700, -89.771400. Springfield, the capital, is 106.0 miles N in a straight line. The nearest larger place is New Athens, IL (1,870 people), 7.3 miles away. The nearest city of 100,000 or more is St. Louis, MO, 37.0 miles away.

Daylight in Marissa

At 38.25° N, Marissa gets about 14 h 50 min of daylight around the June solstice and 9 h 30 min around the December solstice, a swing of 5 h 20 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Marissa

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is New Athens, 7.3 miles away, with 1,870 people.