Centralia Flag

Centralia

County:
Marion County
County Seat:
No
Area (mi²):
8.2
State:
Illinois

Centralia is a city located in Marion County, Illinois. Centralia has a 2025 population of 11,697 . Centralia is currently declining at a rate of -0.76% annually and its population has decreased by -3.68% since the most recent census, which recorded a population of 12,144 in 2020.

The average household income in Centralia is $64,538 with a poverty rate of 22.59%. The median age in Centralia is 40 years: 38.4 years for males, and 41.8 years for females. For every 100 females there are 93.3 males.

11.7K
Total Population
1,426
Density (mi²)
-90 -0.76%
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)