Crystal Lake Population

1880–2026

42,601

2026 projection

5.9% since 2020 (increase)

010K20K30K40K50K18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Crystal Lake. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202642,601+3130.74%
202542,288+7891.90%
202441,499+5401.32%
202340,959+2740.67%
202240,685+1740.43%
202140,511+2650.66%
202040,246+4681.18%
201939,778-1880.47%
201839,966-970.24%
201740,063-470.12%

Showing 10 of 30 years.

Crystal Lake Demographics

39.3median age

Median age

Female39.7 yrs
Male38.6 yrs

Adults

31,086
6,053 seniors · 19%25,033 other adults

Sex

Female 50.6% · 20,526Male 49.4% · 20,053

Population by age

MaleFemale85+ years, male: 19385+ years, female: 42580–84 years, male: 25580–84 years, female: 41275–79 years, male: 26075–79 years, female: 52870–74 years, male: 64870–74 years, female: 53365–69 years, male: 1,33765–69 years, female: 1,46260–64 years, male: 1,23260–64 years, female: 1,19655–59 years, male: 1,21455–59 years, female: 1,45750–54 years, male: 1,59550–54 years, female: 1,24845–49 years, male: 1,51645–49 years, female: 1,34440–44 years, male: 1,45640–44 years, female: 1,54335–39 years, male: 1,62935–39 years, female: 1,58130–34 years, male: 1,05130–34 years, female: 1,25125–29 years, male: 1,07425–29 years, female: 80520–24 years, male: 1,31620–24 years, female: 1,37415–19 years, male: 1,56015–19 years, female: 1,55010–14 years, male: 1,83610–14 years, female: 1,6065–9 years, male: 1,1265–9 years, female: 1,2380–4 years, male: 7550–4 years, female: 97385+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K1.5K1.5K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 406 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Crystal Lake Income

$108,418median household income

Median household income

$108,418

Half of households earn more, half earn less

Median earnings

$60,272

Typical yearly pay for a worker 25 or older.

Poverty rate

6.8%

About 1 in 15 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Crystal Lake Marital Status

54% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married54%55%53%
Never married32%34%29%
Divorced10%9%11%
Widowed5%2%7%
Separated<1%<1%<1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year