Lake Forest demographics profile

StatisticLake ForestIllinoisNational
Population18,88112,851,684318,558,162
Population density (sq mi)1,09822291
Median age47.037.437.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)68%55%55%
Speak English89%77%79%
Speak Spanish2%13%13%
Lake Forest, IL has a population of 18,881 and is the 2,314th largest city in the United States. The population density is 1,098 per sq mi which is 394% higher than the Illinois average and 1112% higher than the national average. The median age in Lake Forest is 47 which is approximately 26% higher than the Illinois average of 37. In Lake Forest, 68% of the population over 15 years of age are married, 89% speak English and 2% speak Spanish. 53% of Lake Forest residents were born in Illinois, 35% were born out of state, 2% were born outside of the United States and 11% were foreign born.

Did you know?

  • The population density in Lake Forest is 394% 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 African American.
  • In Lake Forest 6.01% of the population is Asian.

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Compare Lake Forest, IL Demographics To Other Cities

Lake Forest population breakdown by race

RaceLake ForestIllinoisNational
White90.37%72.14%73.35%
African American1.50%14.30%12.63%
Asian6.01%5.10%5.22%
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.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

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).