Lake Bluff, IL Prices for Houses for Sale AVERAGE 1,323,854 -14% MEDIAN 645,000 -7% Relative Price (per sqft.) PRICE Listings of Lake Bluff Homes for Purchase ACTIVE 28 -10% NEW 16 -43% Market Duration of Homes Sold DAYS 38 +29% Local Statistics Population 5,524 (-0.01%) House Size (sqft.) 2,050 (-27.82%)