Population & Demographics
Crystal Lake, IL
Crystal Lake is home to 40,579 people. Explore its demographics, housing, and economy — plus how its 21,570 resident workers commute each day.
40,579 residents
Median age 39.3 · U.S. Census Bureau, ACS 5-Year (2024).
Crystal Lake population & demographics
Who lives in Crystal Lake — population, age, housing, and income, from the U.S. Census Bureau.
Source: U.S. Census Bureau, American Community Survey (ACS) 2024 5-Year Estimates. Values shown as “—” are suppressed or unavailable for this place.
Race & ethnicity in Crystal Lake
How Crystal Lake breaks down by race and ethnicity — each bar is that group’s share of the population, from the U.S. Census Bureau ACS 5-Year (2024).
Race across Crystal Lake
Each dot is a group of people, placed in their 2020 Census block and colored by race or ethnicity — the pattern shows where groups live across Crystal Lake.
These figures are for Crystal Lake proper — the Census place within its city limits — not the surrounding metro area. Metro-wide totals you’ll see elsewhere are larger because they bundle in neighboring cities and suburbs.
How Crystal Lake commutes
Every dot is a worker moving between home and job. Trace where the area pulls people in from — and where its residents head each day.
45 / 100
How short the typical commute is here, on an absolute 0–100 scale (higher is shorter). How it’s calculated.
Crystal Lake
21,570 commutes, one dot at a time
Crystal Lake
Where 21,570 workers commute
Where residents work
Top destinations for people who live in Crystal Lake, by worker count.
Who commutes in
Top origin places for workers who travel into Crystal Lake.
Top industries
The sectors that employ Crystal Lake’s workforce. Each bar is scaled to that sector’s share of all local jobs — the top sectors shown don’t add up to 100%.
Internet options for Crystal Lake
The biggest home-internet providers in the area — tap any to compare local plans.
FindBetterInternet is a CensusFlow partner site — we link out so you can compare local plans, and CensusFlow’s Census data stays independent. Provider data is from the FCC National Broadband Map (satellite + fixed wireless excluded).