Grayslake is located in Illinois. Grayslake, Illinois 60030has a population of 21,404. Grayslake 60030 is less family-centric than the surrounding county with 33% households with children. The county percentage for households with children is 35%.
The median household income in Grayslake, Illinois 60030 is $97,443. The median household income for the surrounding county is $91,525 compared to the national median of $66,222. The median age of people living in Grayslake 60030 is 39.4 years.
The average high temperature in July is 82.2 degrees, with an average low temperature in January of 12.1 degrees. The annual precipitation is 35.5.