Crystal Lake, IL Population

Overview

40,082

Total Population

39.5

Median age

49.89%

Female population %

100.5:100

Gender ratio (M:F)

10-14 years

Largest age group

53.0

Total dependency ratio

White

Largest racial group

4,991

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Crystal Lake's population is old compared to the rest of the country:

The median age in Crystal Lake is 39.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Crystal Lake's population under 18 was 25.28%, compared to the 22.51% nationwide.
Crystal Lake's elderly or the senior population (over 65 age) was 14.62% as compared to 16.04% nationwide.
Of the total population in Crystal Lake, 20.04% were under the age of 15, 17.87% aged 15 to 29, 47.47% aged 30 to 64, 12.92% aged 65 to 84, and 1.70% were 85 years of age and older.

There are 90 less females than males in Crystal Lake:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.89% females and 50.11% males in Crystal Lake, IL.
The Crystal Lake, IL gender ratio is 100.5:100 i.e. 100.5 men to 100 women (1.005).
For male population, the largest age group is 10-14 years with a population of 1,889.
For the female population, the largest age group is 35-39 years with a population of 1,764.

Crystal Lake's population has become increasingly diverse:

Racial distribution of Crystal Lake population: 90.80% are White, 0.92% are Black or African American, 0.18% are American Indian and Alaska Native, 3.12% are Asian, 1.56% are some other race and 3.43% are multiracial.
Crystal Lake's racial breakdown clearly shows that there is an absolute majority of White population in the city.
By ethnicity, 4,991 is Hispanic or Latino (of any race), and 35,091 (87.55% of the total population) is Non-Hispanic.
The largest racial group in Crystal Lake is White with a population of 36,393 (90.80% of the total population).

Crystal Lake's population has already reached its peak and is showing a trend of decline:

The peak population was 41,752 in the year 2009
From 2000 to 2010, Crystal Lake's population increased by 2,619 (6.87%), as compared to the national growth of 9.63%.
From 2010 to 2020, Crystal Lake's population decreased by 533 (1.31%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Crystal Lake's population was lowest in year 2000 at 38,145.