Highland Park, IL Prices for Houses for Sale AVERAGE 1,244,933 -7% MEDIAN 784,450 -11% Relative Price (per sqft.) PRICE Listings of Highland Park Homes for Purchase ACTIVE 82 -32% NEW 68 -37% Market Duration of Homes Sold DAYS 34 -3% Local Statistics Population 29,427 (0.00%) House Size (sqft.) 2,920 (-15.85%)