Grant Park is located in Illinois. Grant Park, Illinois has a population of 1,643. Grant Park is more family-centric than the surrounding county with 32.52% of the households containing married families with children. The county average for households married with children is 27.32%.
The median household income in Grant Park, Illinois is $77,000. The median household income for the surrounding county is $61,664 compared to the national median of $69,021. The median age of people living in Grant Park is 34 years.
The average high temperature in July is 84.1 degrees, with an average low temperature in January of 15.5 degrees. The average rainfall is approximately 39.2 inches per year, with 25.5 inches of snow per year.