Highland Park is a city located in Lake County Illinois. With a 2020 population of 29,415, it is the 66th largest city in Illinois and the 1311th largest city in the United States . Highland Park is currently declining at a rate of -0.17% annually and its population has decreased by -1.17% since the most recent census, which recorded a population of 29,763 in 2010. Highland Park reached it's highest population of 32,263 in 1970. Spanning over 12 miles, Highland Park has a population density of 2,403 people per square mile.
The average household income in Highland Park is $231,170 with a poverty rate of 4.53%. The median rental costs in recent years comes to $1,754 per month, and the median house value is $584,500. The median age in Highland Park is 47.1 years, 46 years for males, and 48.4 years for females.