Naperville demographics profile

StatisticNapervilleIllinoisNational
Population145,78912,851,684318,558,162
Population density (sq mi)3,76822291
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%
Naperville, IL has a population of 145,789 and is the 182nd largest city in the United States. The population density is 3,768 per sq mi which is 1595% higher than the Illinois average and 4059% higher than the national average. The median age in Naperville is 39 which is approximately 3% higher than the Illinois average of 37. In Naperville, 66% of the population over 15 years of age are married, 77% speak English and 4% speak Spanish. 55% of Naperville residents were born in Illinois, 25% were born out of state, 1% were born outside of the United States and 19% were foreign born.
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Did you know?

  • The population density in Naperville is 1595% 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 or African American.
  • In Naperville 17.82% of the population is Asian.

Compare Naperville, IL Demographics To Other Cities

Naperville population breakdown by race

RaceNapervilleIllinoisNational
White73.08%72.14%73.35%
Black or African American5.00%14.30%12.63%
Asian17.82%5.10%5.22%
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.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

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).
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