Lake Forest Flag

Lake Forest

County:
Lake County
County Seat:
No
Area (mi²):
17.201
State:
Illinois

Lake Forest is a city located in Lake County, Illinois. Lake Forest has a 2025 population of 19,360. Lake Forest is currently growing at a rate of 0.02% annually and its population has increased by 0.08% since the most recent census, which recorded a population of 19,345 in 2020.

The average household income in Lake Forest is $302,171 with a poverty rate of 3.95%.The median age in Lake Forest is 46.1 years: 44.6 years for males, and 48.5 years for females.

19.4K
Total Population
1,126
Density (mi²)
3 0.02%
Growth

Lake Forest Population

Lake Forest Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Lake Forest includes 84.63% White, 6.08% Asian, and smaller percentages for other race, Black or African American, Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White16,24084.63%
Two or more races1,3096.82%
Asian1,1666.08%
Other race2731.42%
Black or African American1700.89%
Native American320.17%

Lake Forest Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Lake Forest's average per capita income is $112,207. Household income levels show a median of $228,120. The poverty rate stands at 3.95%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Families$250,001$348,871
Married Families$250,001-
Households$228,120$302,171
Non Families$98,393$155,533

$112,207

Average Income

$228,120

Median Household Income

3.95%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)