United States › Illinois › Crystal Lake CITY · 2000 CENSUS
Crystal Lake Illinois · 38,000 residents · 19.0 sq mi
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The short version
Crystal Lake is a city of 38,000 people in Illinois. The population has risen by half since 1990, adding 13,488 people. That is roughly 44% ahead of the Illinois median. Owners hold 79% of the housing stock. About 36% of adults have finished a four-year degree. Households take in $66,872 a year at the median, 57% more than the country as a whole.
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 from 32.0 in 1990
US average: 35.2
Population, 1990 – 2024
23K 28K 33K 38K 43K 1990 2000 2010 2020 2024 Crystal Lake Age distribution, 2000
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $66,872
+10%inflation adjusted, since 1990
from $46,197 in 1990
US average: $42,589
from $17,681 in 1990
US average: $21,522
from 2.1% in 1990
US average: 12.4%
$165,700
+5%inflation adjusted, since 1990
from $119,700 in 1990
US average: $120,530
$855
+1%inflation adjusted, since 1990
from $640 in 1990
US average: $602
from 73.9% in 1990
20.7% rent
Section 04
Race & ethnicity 1990
White, non-Hispanic 98.5%(24,137)
Hispanic / Latino 2.6%(635)
2000
White, non-Hispanic 89.6%(34,067)
Hispanic / Latino 7%(2,662)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
+ 4 more hispanic origin groups with data Ancestry
+ 34 more ancestry groups with data from 28.5% in 1990
US average: 24.4%
High school or higher
from 89.0% in 1990
US average: 80.3%
from 8.4% in 1990
US average: 8.8%
Section 06
Commute & transportation 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.
Marital status
Men 15+
Never married 23.9%(3,189)
Women 15+
Never married 18.8%(2,683)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 9.4% in 2013
US average: 8.4%
from 70.1% in 2020
US average: 54.8%
Direct-purchase
from 11.9% in 2020
US average: 13.8%
from 15.9% in 2020
US average: 18.4%
from 10.7% in 2020
US average: 20.9%
VA health care
from 1.8% in 2020
US average: 2.2%
Any private
from 80.7% in 2020
US average: 67.1%
Any public
from 26.5% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 16.9%(189)
Gulf War (1990s) 21.7%(243)
Share of the 1,119 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to Crystal Lake Head to head
Compare Crystal Lake to nearby cities CRYSTAL LAKE VS
Lake in the Hills
Income $117,151 +75%
Home value $321,900 +94%
Population 28,590 −32%
SEE FULL COMPARISON →
CRYSTAL LAKE VS
Cary
Income $113,026 +69%
Home value $309,800 +87%
Population 17,932 −58%
SEE FULL COMPARISON →
CRYSTAL LAKE VS
Algonquin
Income $134,525 +101%
Home value $351,000 +112%
Population 30,824 −27%
SEE FULL COMPARISON →
CRYSTAL LAKE VS
Huntley
Income $88,536 +32%
Home value $334,300 +102%
Population 29,132 −31%
SEE FULL COMPARISON →
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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