Marissa Flag

Marissa

County Seat:
No
Area (mi²):
7.214
State:
Illinois

Marissa is a village located in St. Clair County, Illinois. Marissa has a 2025 population of 1,701. Marissa is currently declining at a rate of -1.45% annually and its population has decreased by -6.95% since the most recent census, which recorded a population of 1,828 in 2020.

The average household income in Marissa is $58,046 with a poverty rate of 19.13%The median age in Marissa is 46.7 years: 49.1 years for males, and 42.1 years for females.

1.7K
Total Population
236
Density (mi²)
-25 -1.45%
Growth

Marissa Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)