StatisticLake ForestIllinoisNational
Population density (sq mi)1,09822891
Median age47.037.437.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)68%55%55%
Families w/ Kids under 1843%44%43%
Speak English89%77%79%
Speak Spanish2%13%13%

Key findings

  • The population density in Lake Forest is 381% higher than Illinois
  • The median age in Lake Forest is 26% higher than Illinois
  • In Lake Forest 90.37% of the population is White
  • In Lake Forest 1.50% of the population is Black
  • In Lake Forest 6.01% of the population is Asian

Compare Lake Forest, IL Demographics


      Lake Forest population breakdown by race

      RaceLake ForestIllinoisNational
      American Indian0.00%0.23%0.82%
      Native Hawaiian0.00%0.03%0.18%
      Mixed race1.89%2.34%3.06%
      Other race0.23%5.86%4.75%
      In Lake Forest, 2.6% 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

      Lake Forest age breakdown

      Marital status

      Age of children in married couples

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