Population density (sq mi)1,93222891
Median age37.537.437.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)60%55%55%
Families w/ Kids under 1852%44%43%
Speak English81%77%79%
Speak Spanish9%13%13%

Key findings

  • The population density in Grayslake is 747% higher than Illinois
  • The median age in Grayslake is equal to Illinois
  • In Grayslake 84.30% of the population is White
  • In Grayslake 3.23% of the population is Black
  • In Grayslake 7.91% of the population is Asian

Compare Grayslake, IL Demographics


      Grayslake population breakdown by race

      American Indian0.26%0.23%0.82%
      Native Hawaiian0.00%0.03%0.18%
      Mixed race3.78%2.34%3.06%
      Other race0.52%5.86%4.75%
      In Grayslake, 10.7% 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

      Grayslake age breakdown

      Marital status

      Age of children in married couples

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