Lake In The Hills, IL Prices for Houses for Sale AVERAGE 354,888 +12% MEDIAN 324,000 +13% Relative Price (per sqft.) PRICE Listings of Lake In The Hills Homes for Purchase ACTIVE 28 -3% NEW 48 -20% Market Duration of Homes Sold DAYS 23 -20% Local Statistics Population 28,345 (-0.01%) House Size (sqft.) 2,007 (1.06%)