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CITY · 1990 CENSUS

Crystal Lake

Illinois · 24,512 residents · 18.985 sq mi
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The short version

Crystal Lake is significantly wealthier than the US average, with a median household income of $46,197. Population has fallen 35% since 2000, a loss of 13,488 residents. 29% of adults hold a bachelor's degree or higher, well above the national rate of 20%. Median home value is $119,700. Poverty is rare here, at 2.1% of residents. Households here earn about 43% more than the Illinois median.

At a glance
Wealthier
above the US median
US median: $30,130
Mid-age
median age 32.0
US median: 33.0
More educated
29% 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

24,512
−35%vs 2000
vs 38,000 in 2000
1990 – 2025
1,291 / sq mi
−35%vs 2000
vs 2,002 / sq mi in 2000
US average: 221
32.0
−6%vs 2000
vs 34.1 in 2000
US average: 33.0
Population, 19902024
23K28K33K38K43K1990201020202024Crystal Lake
202441K
1990201020202024
Section 02

Income & economy

$46,197
−9%inflation adjusted, since 2000
vs $66,872 in 2000
US average: $30,130
1990 – 2024
$17,681
−32%vs 2000
vs $26,146 in 2000
US average: $14,340
2.1%
−1.4 ptsvs 2000
vs 3.5% in 2000
US average: 13.2%
Section 03

Housing

$119,700
−5%inflation adjusted, since 2000
vs $165,700 in 2000
US average: $93,722
1990 – 2024
$640
−1%inflation adjusted, since 2000
vs $855 in 2000
US average: $450
73.9%
−5.5 ptsvs 2000
vs 79.3% in 2000
26.1% rent
2.6
+5%vs 2000
vs 2.5 in 2000
1990 – 2024
RELATED:See current rent listings in Crystal Lake on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic89.6%(34,067)
Black0.5%(193)
Hispanic / Latino7%(2,662)
Asian1.9%(735)
Other0%
Diversity Score22%(8,368)
1990
White, non-Hispanic98.5%(24,137)
Black0.2%(45)
Hispanic / Latino2.6%(635)
Asian0.9%(217)
Other0.5%(113)
Diversity Score9.7%(2,389)
10
−56%vs 2000
vs 22 in 2000
1990 – 2024
Section 05

Education

28.5%
−7.7 ptsvs 2000
vs 36.2% in 2000
US average: 20.3%
High school or higher
89.0%
−2.5 ptsvs 2000
vs 91.5% in 2000
US average: 75.2%
8.4%
−2.5 ptsvs 2000
vs 10.9% in 2000
US average: 7.1%
Section 06

Commute & transportation

26.0 min
+4%vs 2000
vs 25.1 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 Crystal Lake, Illinois?

Crystal Lake, Illinois has about 24,512 residents according to the 1990 Census.

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

The typical household in Crystal Lake, Illinois earns about $46,197 a year. Half of households make more than that, and half make less.

Is Crystal Lake, Illinois expensive?

In Crystal Lake, Illinois, the median home is worth about $119,700, and the typical rent is about $640 a month.

How educated are people in Crystal Lake, Illinois?

About 28.5% of adults age 25 and over in Crystal Lake, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Crystal Lake, Illinois?

About 2.1% of people in Crystal Lake, 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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