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CITY · 1990 CENSUS

Lake Forest

Illinois · 17,836 residents · 17.201 sq mi
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The short version

Lake Forest is significantly wealthier than the US average, with a median household income of $94,824. Population has declined 11% since 2000. 66% of adults hold a bachelor's degree or higher, well above the national rate of 20%. Median home value is $500,001. Poverty is rare here, at 2.8% of residents. Households here earn about 194% more than the Illinois median.

At a glance
Wealthier
above the US median
US median: $30,130
Older
median age 37.4
US median: 33.0
More educated
66% hold a bachelor's degree
US average: 20%
Stable housing
home values roughly flat, inflation adjusted
US median home: $93,722
Section 01

Population & growth

17,836
−11%vs 2000
vs 20,059 in 2000
1990 – 2025
1,037 / sq mi
−11%vs 2000
vs 1,166 / sq mi in 2000
US average: 221
37.4
−9%vs 2000
vs 41.0 in 2000
US average: 33.0
Population, 19902024
18K18K19K20K21K1990201020202024Lake Forest
202419K
1990201020202024
Section 02

Income & economy

$94,824
−8%inflation adjusted, since 2000
vs $136,462 in 2000
US average: $30,130
1990 – 2024
$47,200
−39%vs 2000
vs $77,092 in 2000
US average: $14,340
2.8%
+0.7 ptsvs 2000
vs 2.1% in 2000
US average: 13.2%
Section 03

Housing

$500,001
+3%inflation adjusted, since 2000
vs $638,800 in 2000
US average: $93,722
1990 – 2024
$762
Unchangedinflation adjusted, since 2000
vs $1,005 in 2000
US average: $450
85.3%
−2.0 ptsvs 2000
vs 87.3% in 2000
14.7% rent
5.3
+13%vs 2000
vs 4.7 in 2000
1990 – 2024
RELATED:See current rent listings in Lake Forest on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic92.4%(18,537)
Black1.3%(263)
Hispanic / Latino1.9%(376)
Asian3.4%(691)
Other0%
Diversity Score16%(3,201)
1990
White, non-Hispanic95.8%(17,081)
Black0.8%(136)
Hispanic / Latino1.5%(269)
Asian2.5%(438)
Other1%(181)
Diversity Score13.6%(2,429)
14
−15%vs 2000
vs 16 in 2000
1990 – 2024
Section 05

Education

65.7%
−8.2 ptsvs 2000
vs 73.8% in 2000
US average: 20.3%
High school or higher
96.1%
−1.1 ptsvs 2000
vs 97.2% in 2000
US average: 75.2%
28.5%
−5.4 ptsvs 2000
vs 33.9% in 2000
US average: 7.1%
Section 06

Commute & transportation

30.3 min
+30%vs 2000
vs 23.3 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Lake Forest, Illinois?

Lake Forest, Illinois has about 17,836 residents according to the 1990 Census.

What is the median household income in Lake Forest, Illinois?

The typical household in Lake Forest, Illinois earns about $94,824 a year. Half of households make more than that, and half make less.

Is Lake Forest, Illinois expensive?

In Lake Forest, Illinois, the median home is worth about $500,001, and the typical rent is about $762 a month.

How educated are people in Lake Forest, Illinois?

About 65.7% of adults age 25 and over in Lake Forest, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Lake Forest, Illinois?

About 2.8% of people in Lake Forest, Illinois live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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