Marissa Flag

Marissa

County Seat:
No
Area (mi²):
34.449
State:
Illinois

Marissa is located in St. Clair County, Illinois. Marissa has a 2025 population of 2,167 . Marissa is currently declining at a rate of -0.82% annually and its population has decreased by -4.28% since the most recent census, which recorded a population of 2,264 in 2020.

The median household income in Marissa is $52,217 with a poverty rate of 15.23%. The median age in Marissa is 45.6 years: 49.7 years for males, and 40.6 years for females. For every 100 females there are 88.3 males.

2.2K
Total Population
63
Density (mi²)
-18 -0.82%
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)