Population density (sq mi)5,06822891
Median age48.737.437.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)62%55%55%
Families w/ Kids under 1832%44%43%
Speak English41%77%79%
Speak Spanish10%13%13%

Key findings

  • The population density in Niles is 2123% higher than Illinois
  • The median age in Niles is 30% higher than Illinois
  • In Niles 76.39% of the population is White
  • In Niles 3.06% of the population is Black
  • In Niles 16.69% of the population is Asian

Compare Niles, IL Demographics


      Niles population breakdown by race

      American Indian0.42%0.23%0.82%
      Native Hawaiian0.00%0.03%0.18%
      Mixed race1.46%2.34%3.06%
      Other race1.97%5.86%4.75%
      In Niles, 10.0% 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

      Niles age breakdown

      Marital status

      Age of children in married couples

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