In 2019, Crystal Lake, IL had a population of 40k people with a median age of 39.6 and a median household income of $87,578. Between 2018 and 2019 the population of Crystal Lake, IL declined from 40,170 to 39,974, a −0.488% decrease and its median household income grew from $87,221 to $87,578, a 0.409% increase.
The 5 largest ethnic groups in Crystal Lake, IL are White (Non-Hispanic) (80.6%), White (Hispanic) (12.2%), Asian (Non-Hispanic) (2.53%), Two+ (Non-Hispanic) (1.64%), and Black or African American (Non-Hispanic) (1.55%). 0% of the households in Crystal Lake, IL speak a non-English language at home as their primary language, and 95% of the residents in Crystal Lake, IL are U.S. citizens.
In 2019, the median property value in Crystal Lake, IL was $221,300, and the homeownership rate was 75.5%. Most people in Crystal Lake, IL drove alone to work, and the average commute time was 30.1 minutes. The average car ownership in Crystal Lake, IL was 2 cars per household.