Population density (sq mi)3,76822891
Median age38.537.437.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)66%55%55%
Families w/ Kids under 1852%44%43%
Speak English77%77%79%
Speak Spanish4%13%13%

Key findings

  • The population density in Naperville is 1553% higher than Illinois
  • The median age in Naperville is 3% higher than Illinois
  • In Naperville 73.08% of the population is White
  • In Naperville 5.00% of the population is Black
  • In Naperville 17.82% of the population is Asian

Compare Naperville, IL Demographics


      Naperville population breakdown by race

      American Indian0.16%0.23%0.82%
      Native Hawaiian0.01%0.03%0.18%
      Mixed race3.15%2.34%3.06%
      Other race0.79%5.86%4.75%
      In Naperville, 6.0% 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

      Naperville age breakdown

      Marital status

      Age of children in married couples

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