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CITY · 2000 CENSUS

Crystal Lake

Illinois · 38,000 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 $66,872. The city has grown rapidly, with population up 55% since 1990. 36% of adults hold a bachelor's degree or higher, well above the national rate of 24%. Median home value is $165,700. Poverty is rare here, at 3.5% of residents. Households here earn about 44% more than the Illinois median.

At a glance
Wealthier
above the US median
US median: $42,589
Mid-age
median age 34.1
US median: 35.2
More educated
36% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01

Population & growth

38,000
+55%since 1990
from 24,512 in 1990
1990 – 2025
2,002 / sq mi
+55%since 1990
from 1,291 / sq mi in 1990
US average: 242
34.1
+7%since 1990
from 32.0 in 1990
US average: 35.2
Population, 19902024
23K28K33K38K43K1990201020202024Crystal Lake
202441K
1990201020202024
Section 02

Income & economy

$66,872
+10%inflation adjusted, since 1990
from $46,197 in 1990
US average: $42,589
1990 – 2024
$26,146
+48%since 1990
from $17,681 in 1990
US average: $21,522
3.5%
+1.4 ptssince 1990
from 2.1% in 1990
US average: 12.4%
Section 03

Housing

$165,700
+5%inflation adjusted, since 1990
from $119,700 in 1990
US average: $120,530
1990 – 2024
$855
+1%inflation adjusted, since 1990
from $640 in 1990
US average: $602
79.3%
+5.5 ptssince 1990
from 73.9% in 1990
20.7% rent
2.5
−4%since 1990
from 2.6 in 1990
1990 – 2024
RELATED:See current rent listings in Crystal Lake on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic98.5%(24,137)
Black0.2%(45)
Hispanic / Latino2.6%(635)
Asian0.9%(217)
Diversity Score9.7%(2,389)
2000
White, non-Hispanic89.6%(34,067)
Black0.5%(193)
Hispanic / Latino7%(2,662)
Asian1.9%(735)
Diversity Score22%(8,368)
22
+126%since 1990
from 10 in 1990
1990 – 2024
Section 05

Education

36.2%
+7.7 ptssince 1990
from 28.5% in 1990
US average: 24.4%
High school or higher
91.5%
+2.5 ptssince 1990
from 89.0% in 1990
US average: 80.3%
10.9%
+2.5 ptssince 1990
from 8.4% in 1990
US average: 8.8%
Section 06

Commute & transportation

25.1 min
−4%since 1990
from 26.0 min in 1990
US average: 17.6
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 38,000 residents according to the 2000 Census.

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

The typical household in Crystal Lake, Illinois earns about $66,872 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 $165,700, and the typical rent is about $855 a month.

How educated are people in Crystal Lake, Illinois?

About 36.2% 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 3.5% of people in Crystal Lake, Illinois live below the federal poverty line.

Has Crystal Lake, Illinois grown since 1990?

Yes, Crystal Lake, Illinois has grown since 1990. The population has added about 13,488 residents, a change of about 55 percent over that period.

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

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