Grayslake Flag

Grayslake

County:
Lake County
County Seat:
No
Area (mi²):
10.914
State:
Illinois

Grayslake is a village located in Lake County, Illinois. Grayslake has a 2026 population of 21,284. Grayslake is currently growing at a rate of 0.05% annually and its population has increased by 0.31% since the most recent census, which recorded a population of 21,218 in 2020.

The median household income in Grayslake is $113,972 with a poverty rate of 6.3%. The median age in Grayslake is 37.2 years: 36.2 years for males, and 38.3 years for females. For every 100 females there are 106.5 males.

21.3K
Total Population
1,950
Density (mi²)
11 0.05%
Growth

Grayslake Population

Grayslake Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202621,284110.05%
202521,273110.05%
202421,2621440.68%
202321,118570.27%
202221,061-85-0.4%
202121,146-112-0.53%
202021,2184842.33%
201920,734-149-0.71%
201820,883-56-0.27%
201720,939-35-0.17%
201620,974-55-0.26%
201521,029-112-0.53%
201421,141-26-0.12%
201321,167180.09%
201221,1491240.59%
201121,025-39-0.19%
201021,0641070.51%
200018,50611,118150.49%
19907,3882,12840.46%
19805,2603537.19%
19704,9071,14530.44%
19603,76200%

Median Age

Overall: 37.2 years
Female: 38.3 years
Male: 36.2 years

Grayslake Adults

There are 16,013 adults, (2,950 of whom are seniors) in Grayslake.

Sex Ratio

Female: 10,135 (48.4%)
Male: 10,794 (51.6%)

Demographics

The racial composition of Grayslake includes 74.93% White, 8.61% Black or African American, 5.23% Asian, and smaller percentages for other race, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White15,68374.93%
Two or more races2,0239.67%
Black or African American1,8028.61%
Asian1,0945.23%
Other race2831.35%
Native American440.21%
Race
Population ↓
Percentage (of total)
Two or more races1,0024.79%
White8053.85%
Other race2401.15%
Native American440.21%
Asian310.15%
Black or African American180.09%
Race
Population ↓
Percentage (of total)
White14,87871.09%
Black or African American1,7848.52%
Asian1,0635.08%
Two or more races1,0214.88%
Other race430.21%

Grayslake Marital Status

Economics and Income Statistics

Grayslake 's average per capita income is $70,105. Household income levels show a median of $113,972. The poverty rate stands at 6.3%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$159,883-
Families$142,214$161,701
Households$113,972$142,806
Non Families$65,133$92,237

$70,105

Average Income

$113,972

Median Household Income

6.3%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)