Population density (sq mi)1,82022891
Median age37.637.437.7
Male/Female ratio1.1:11.0:11.0:1
Married (15yrs & older)46%55%55%
Families w/ Kids under 1841%44%43%
Speak English96%77%79%
Speak Spanish2%13%13%

Key findings

  • The population density in Jacksonville is 698% higher than Illinois
  • The median age in Jacksonville is 1% higher than Illinois
  • In Jacksonville 85.30% of the population is White
  • In Jacksonville 10.71% of the population is Black
  • In Jacksonville 0.72% of the population is Asian

Compare Jacksonville, IL Demographics


      Jacksonville population breakdown by race

      American Indian0.00%0.23%0.82%
      Native Hawaiian0.00%0.03%0.18%
      Mixed race2.96%2.34%3.06%
      Other race0.31%5.86%4.75%
      In Jacksonville, 3.9% 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.

      Household income distribution

      Place of birth by citizenship

      Jacksonville age breakdown

      Marital status

      Age of children in married couples

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