Grayslake is located in Illinois.
Grayslake, Illinois has a population of
20,957.
Grayslake is
more
family-centric than the surrounding county with
45.79% of the households
containing married families with children.
The county average for households married with children is 40.34%.
The median household income in Grayslake, Illinois is
$80,361.
The median household income for the surrounding county is $76,303
compared to the national median of $50,935.
The median age of people living in Grayslake is
36.1 years.
Grayslake Environment
The average high temperature in July is 82
degrees, with an average low temperature in January of 14.9 degrees.
The average rainfall is approximately 35.6 inches
per year, with 42.6 inches of snow per year.
