Salem Flag

Salem

County:
Marion County
County Seat:
Yes
Area (mi²):
6.991
State:
Illinois

Salem is a city located in Marion County, Illinois. Salem has a 2025 population of 6,917. It is also the county seat of Marion CountySalem is currently declining at a rate of -0.99% annually and its population has decreased by -4.78% since the most recent census, which recorded a population of 7,264 in 2020.

The average household income in Salem is $73,933 with a poverty rate of 20.12%.The median age in Salem is 38.2 years: 37.8 years for males, and 38.7 years for females.

6.9K
Total Population
989
Density (mi²)
-69 -0.99%
Growth

Salem 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)