Centralia Flag

Centralia

County:
Marion County
County Seat:
No
Area (mi²):
35.079
State:
Illinois

Centralia is located in Marion County, Illinois. Centralia has a 2025 population of 13,753. Centralia is currently declining at a rate of -0.66% annually and its population has decreased by -3.94% since the most recent census, which recorded a population of 14,317 in 2020.

The average household income in Centralia is $69,750 with a poverty rate of 20.25%The median age in Centralia is 40.8 years: 39.1 years for males, and 41.9 years for females.

13.8K
Total Population
392
Density (mi²)
-91 -0.66%
Growth

Centralia 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)