Lake Forest city, Illinois demographics
Population: 19,450
Median age: 46.4
Median household income: 194,267
Lake Forest is a city in Lake County, Illinois, United States.
Demographics, population, home values, social and economic characteristics of Lake Forest city, IL.
Population
| 2021 | 19,450 |
| 2020 | 19,497 |
| 2019 | 19,173 |
| 2018 | 19,219 |
| 2017 | 18,931 |
| 2016 | 18,881 |
| 2015 | 18,951 |
| 2014 | 18,914 |
| 2013 | 19,044 |
| 2012 | 19,068 |
| 2011 | 19,308 |
| 2010 | 19,397 |
| 2009 | 21,063 |
Census data for Lake Forest city, Illinois
Demographic and housing estimates in Lake Forest city, Illinois
| Total population | 19,450 |
| Male | 9,431 |
| Female | 10,019 |
| Total population | 19,450 |
| Under 5 years | 732 |
| 5 to 9 years | 914 |
| 10 to 14 years | 1,343 |
| 15 to 19 years | 1,776 |
| 20 to 24 years | 1,663 |
| 25 to 34 years | 1,510 |
| 35 to 44 years | 1,495 |
| 45 to 54 years | 2,608 |
| 55 to 59 years | 1,458 |
| 60 to 64 years | 1,188 |
| 65 to 74 years | 2,560 |
| 75 to 84 years | 1,428 |
| 85 years and over | 775 |
| Median age (years) | 46.4 |
| Under 18 years | 3,926 |
| 16 years and over | 16,157 |
| 18 years and over | 15,524 |
| 21 years and over | 14,326 |
| 62 years and over | 5,403 |
| 65 years and over | 4,763 |
| Total population | 19,450 |
| One race | 18,541 |
| White | 16,494 |
| Black or African American | 210 |
| American Indian and Alaska Native | 157 |
| Asian | 1,405 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 275 |
| Two or more races | 909 |
| Citizen, VOTING AGE 18 and over population | 14,802 |
| Male Citizen, VOTING AGE 18 and over population | 7,044 |
| Female Citizen, VOTING AGE 18 and over population | 7,758 |
Social characteristics in Lake Forest city, Illinois
| Total households | 7,014 |
| Family households (families) | 4,525 |
| Married-couple family | 349 |
| Male householder, no wife present, family | 516 |
| Female householder, no husband present, family | 355 |
| Nonfamily households | 1,624 |
| Average household size | 3,128 |
| Average family size | 2.61 |
Economic characteristics in Lake Forest city, Illinois
| Total households | 7,014 |
| Less than $10,000 | 152 |
| $10,000 to $14,999 | 25 |
| $15,000 to $24,999 | 190 |
| $25,000 to $34,999 | 264 |
| $35,000 to $49,999 | 241 |
| $50,000 to $74,999 | 648 |
| $75,000 to $99,999 | 480 |
| $100,000 to $149,999 | 823 |
| $150,000 to $199,999 | 771 |
| $200,000 or more | 3,420 |
| Median household income (dollars) | 194,267 |
Housing characteristics in Lake Forest city, Illinois
| Total housing units | 7,662 |
| Occupied housing units | 7,014 |
| Vacant housing units | 648 |
| Total housing units | 7,662 |
| 1-unit, detached | 5,734 |
| 1-unit, attached | 485 |
| 2 units | 241 |
| 3 or 4 units | 29 |
| 5 to 9 units | 55 |
| 10 to 19 units | 150 |
| 20 or more units | 968 |
| Mobile home | 0 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 7,662 |
| Built 2014 or later | 3 |
| Built 2010 to 2013 | 386 |
| Built 2000 to 2009 | 757 |
| Built 1990 to 1999 | 1,176 |
| Built 1980 to 1989 | 1,057 |
| Built 1970 to 1979 | 1,083 |
| Built 1960 to 1969 | 996 |
| Built 1950 to 1959 | 935 |
| Built 1940 to 1949 | 188 |
| Built 1939 or earlier | 1,081 |
| Total housing units | 7,662 |
| 1 room | 32 |
| 2 rooms | 96 |
| 3 rooms | 186 |
| 4 rooms | 464 |
| 5 rooms | 523 |
| 6 rooms | 815 |
| 7 rooms | 886 |
| 8 rooms | 962 |
| 9 rooms or more | 3,698 |
| Median rooms | 8.4 |
| Total housing units | 7,662 |
| No bedroom | 42 |
| 1 bedroom | 395 |
| 2 bedrooms | 1,078 |
| 3 bedrooms | 1,878 |
| 4 bedrooms | 2,414 |
| 5 or more bedrooms | 1,855 |
| Occupied housing units | 7,014 |
| Owner-occupied | 6,081 |
| Renter-occupied | 933 |
| Average household size of owner-occupied unit | 2.68 |
| Average household size of renter-occupied unit | 2.15 |
| Occupied housing units | 7,014 |
| Moved in 2017 or later | 735 |
| Moved in 2015 to 2016 | 1,575 |
| Moved in 2010 to 2014 | 1,424 |
| Moved in 2000 to 2009 | 1,328 |
| Moved in 1990 to 1999 | 1,111 |
| Moved in 1989 and earlier | 841 |
| Owner-occupied units | 6,081 |
| Less than $50,000 | 100 |
| $50,000 to $99,999 | 71 |
| $100,000 to $149,999 | 21 |
| $150,000 to $199,999 | 40 |
| $200,000 to $299,999 | 188 |
| $300,000 to $499,999 | 845 |
| $500,000 to $999,999 | 2,980 |
| $1,000,000 or more | 1,836 |
| Median (dollars) | 812,900 |
| Owner-occupied units | 6,081 |
| Housing units with a mortgage | 3,649 |
| Housing units without a mortgage | 2,432 |
| Occupied units paying rent | 831 |
| Less than $500 | 0 |
| $500 to $999 | 165 |
| $1,000 to $1,499 | 91 |
| $1,500 to $1,999 | 209 |
| $2,000 to $2,499 | 75 |
| $2,500 to $2,999 | 13 |
| $3,000 or more | 278 |
| Median (dollars) | 1,882 |
| No rent paid | 102 |
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