Highland Park Real EstateHighland Park is located in Illinois. Highland Park, Illinois has a population of 29,796. Highland Park is less family-centric than the surrounding county with 37.31% of the households containing married families with children. The county average for households married with children is 38.63%. The median household income in Highland Park, Illinois is $137,450. The median household income for the surrounding county is $82,613 compared to the national median of $57,652. The median age of people living in Highland Park is 46.3 years. Highland Park WeatherThe average high temperature in July is 82.6 degrees, with an average low temperature in January of 15.9 degrees. The average rainfall is approximately 36.5 inches per year, with 33.4 inches of snow per year. Highland Park MapReal estate near Highland ParkNearby CitiesNearby Cities Homes for Sale |