Population density (sq mi)2,69422891
Median age24.537.437.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)35%55%55%
Families w/ Kids under 1850%44%43%
Speak English84%77%79%
Speak Spanish8%13%13%

Key findings

  • The population density in DeKalb is 1081% higher than Illinois
  • The median age in DeKalb is 34% lower than Illinois
  • In DeKalb 72.98% of the population is White
  • In DeKalb 13.57% of the population is Black
  • In DeKalb 4.58% of the population is Asian

Compare DeKalb, IL Demographics


      DeKalb population breakdown by race

      American Indian0.09%0.23%0.82%
      Native Hawaiian0.00%0.03%0.18%
      Mixed race3.41%2.34%3.06%
      Other race5.38%5.86%4.75%
      In DeKalb, 12.6% 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

      DeKalb age breakdown

      Marital status

      Age of children in married couples

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