Centralia demographics profile

StatisticCentraliaIllinoisNational
Population12,69612,851,684318,558,162
Population density (sq mi)1,54822291
Median age41.037.437.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)54%55%55%
Families w/ Kids under 1845%44%43%
Speak English96%77%79%
Speak Spanish3%13%13%
Centralia, IL has a population of 12,696 and is the 3,269th largest city in the United States. The population density is 1,548 per sq mi which is 596% higher than the Illinois average and 1608% higher than the national average. The median age in Centralia is 41 which is approximately 10% higher than the Illinois average of 37. In Centralia, 54% of the population over 15 years of age are married, 96% speak English and 3% speak Spanish. 81% of Centralia residents were born in Illinois, 17% were born out of state, 0% were born outside of the United States and 2% were foreign born.
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Did you know?

  • The population density in Centralia is 596% higher than Illinois.
  • The median age in Centralia is 10% higher than Illinois.
  • In Centralia 83.71% of the population is White.
  • In Centralia 9.63% of the population is Black or African American.
  • In Centralia 0.99% of the population is Asian.

Compare Centralia, IL Demographics To Other Cities

Centralia population breakdown by race

RaceCentraliaIllinoisNational
White83.71%72.14%73.35%
Black or African American9.63%14.30%12.63%
Asian0.99%5.10%5.22%
American Indian0.19%0.23%0.82%
Native Hawaiian0.00%0.03%0.18%
Mixed race4.43%2.34%3.06%
Other race1.04%5.86%4.75%
In Centralia, 2.9% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Centralia age breakdown

Marital status

Age of children in married couples

Source: The Centralia, IL demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).
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