Lake Forest, Illinois Population 2020

19,376
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Lake Forest is a city located in Illinois. With a 2020 population of 19,376, it is the 129th largest city in Illinois and the 1901st largest city in the United States. Lake Forest is currently declining at a rate of -0.36% annually but its population has increased by 0.01% since the most recent census, which recorded a population of 19,375 in 2010. Lake Forest reached it's highest population of 20,059 in 2000. Spanning over 17 miles, Lake Forest has a population density of 1,126 people per square mile.

The average household income in Lake Forest is $269,555 with a poverty rate of 2.80%. The median rental costs in recent years comes to $1,831 per month, and the median house value is $842,900. The median age in Lake Forest is 47.8 years, 46.2 years for males, and 49.9 years for females. For every 100 females there are 94.0 males.

Lake Forest Demographics

According to the most recent ACS, the racial composition of Lake Forest was:

  • White: 87.52%
  • Asian: 8.82%
  • Two or more races: 1.42%
  • Black or African American: 1.37%
  • Native American: 0.48%
  • Other race: 0.38%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Lake Forest, Illinois is 19,376, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 19,516.The last official US Census in 2010 recorded the population at 19,375.

Lake Forest, Illinois Population 2020

Population by Race

Race Population Percentage
White16,78187.52%
Asian1,6928.82%
Two or More Races2731.42%
Black or African American2631.37%
American Indian and Alaska Native920.48%
Some Other Race720.38%
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Lake Forest Population by Race

Lake Forest Population Pyramid 2020

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Lake Forest Median Age

47.8


Total

46.2


Male

49.9


Female

Lake Forest Adults

There are 14,960 adults, (4,523 of whom are seniors) in Lake Forest.

Lake Forest Age Dependency

83.7

Age Dependency Ratio

43.3

Old Age Dependency Ratio

40.4

Child Dependency Ratio

Lake Forest Sex Ratio

Female

9,882

51.54%

Male

9,291

48.46%

Lake Forest Population by Age

Lake Forest Renter vs Owner Occupied by Household Type

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Lake Forest Household Types

Type Owner Renter
Married92.4%7.6%
Female87%13%
All86.1%13.9%
Non Family72%28%
Male54.6%45.4%

86.1%

Rate of Home Ownership

Lake Forest Households and Families

Type Count Average Size Owned
All7,0052.5986.1
Married4,7773.1192.4
Non Family1,8071.172
Female2692.9987
Male1523.3654.6

3.08

Average Family Size

2.59

Average Household Size

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Lake Forest Households by Type

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Education Attained Count Percentage
Less Than 9th Grade500.38%
9th to 12th Grade570.44%
High School Graduate7625.85%
Some College1,2309.45%
Associates Degree4423.39%
Bachelors Degree5,05738.83%
Graduate Degree5,42441.65%
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Lake Forest Educational Attainment by Sex (over 25)

Lake Forest Educational Attainment by Race

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Name Total High School Bachelors
White11,28111,2379,068
Asian1,1711,1601,084
Hispanic366314180
Black10910996
Multiple Races939363
Native American393916
Other Race3535

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 92.57%.

Lake Forest Educational Attainment by Race

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Name Average Male Female
Overall$94,611$151,500$53,560
Less Than High School$18,871$$14,881
High School Grad$32,969$48,150$31,520
Some College$38,352$70,521$30,512
Bachelors Degree$89,205$139,250$53,938
Graduate Degree$134,833$194,410$78,073

$94,611

Average Earnings

$151,500

Average Male

$53,560

Average Female

Lake Forest Earnings by Educational Attainment

Lake Forest Language by Age

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Lake Forest Language

84.99% of Lake Forest residents speak only English, while 15.01% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 6.76% of the population.

Lake Forest Language

Lake Forest Poverty by Race

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Name Total In Poverty Poverty Rate
White15,5404402.83%
Asian1,543342.20%
Hispanic686192.77%
Multiple227156.61%
Black16310.61%

2.80%

Overall Poverty Rate

3.14%

Male Poverty Rate

2.49%

Female Poverty Rate

Poverty in Lake Forest

The race most likely to be in poverty in Lake Forest is Multiple, with 6.61% below the poverty level.

The race least likely to be in poverty in Lake Forest is Black, with 0.61% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.83%. Among those working part-time, it was 4.52%, and for those that did not work, the poverty rate was 4.54%.

Lake Forest Poverty

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Name Poverty
Less Than High School12.15%
Some College6.50%
High School5.62%
Bachelors or Greater1.92%

Lake Forest Poverty Rate by Education

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Name Poverty
Male Unemployed12.34%
Male Employed2.18%
Female Employed1.93%
Female Unemployed0.00%

Lake Forest Poverty Rate by Employment Status and Sex

Lake Forest Income by Household Type

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Name Median Mean
Households$172,165$269,555
Families$229,348$318,143
Married Families$247,689-
Non Families$57,341$128,274
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Income by Household Type

Lake Forest Marital Status

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Marriage Rates

61.4%

Overall Marriage Rate

64.7%

Male Marriage Rate

58.4%

Female Marriage Rate

Lake Forest Married by Age and Sex

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Lake Forest Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Lake Forest Marital Status by Race

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Lake Forest Marital Status

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827

Number of Veterans

772

Male Veterans

55

Female Veterans

War Veterans
Vietnam331
Korea118
First Gulf War106
Second Gulf War87
World War II70

Lake Forest Veterans by War

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Age Group Veterans
75+366
65 to 74234
55 to 64168
35 to 5459
18 to 34

Lake Forest Veterans by Age

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Name Veterans % of Total
White8046.09%
Hispanic224.45%
Asian120.93%
Black114.93%

Lake Forest Veterans by Race

Lake Forest Veterans by Education

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0.00%

Veteran Poverty Rate

23.57%

Veteran Disability Rate

Lake Forest Veterans by Education

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55.7%

Labor Force Participation

53.4%

Employment Rate

4%

Unemployment Rate

Lake Forest Employment by Age

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Lake Forest Employment by Race

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Lake Forest Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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52.83%

Born in Illinois

85.76%

Native Born

14.24%

Foreign Born

3.68%

Non Citizen

10.57%

Naturalized

Place of Birth

85.76% of Lake Forest residents were born in the United States, with 52.83% having been born in Illinois. 3.68% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Lake Forest Place of Birth

Year Population Growth Annual Growth Rate
202019,376-70-0.36%
201919,446-70-0.36%
201819,516-82-0.42%
201719,5981951.00%
201619,403-21-0.11%
201519,424-53-0.27%
201419,477100.05%
201319,467680.35%
201219,399210.11%
201119,378-13-0.07%
201019,391-668-0.34%
200020,0592,2231.18%
199017,8362,5911.58%
198015,245-397-0.26%
197015,6424,9553.88%
196010,6872,8683.17%
19507,8199341.28%
19406,8853310.49%
19306,5542,8976.01%
19203,6573080.88%
19103,3490.00%

Lake Forest Population by Year