Clarendon Hills, IL Prices for Houses for Sale AVERAGE 810,262 +1% MEDIAN 499,950 -16% Relative Price (per sqft.) PRICE Listings of Clarendon Hills Homes for Purchase ACTIVE 25 -42% NEW 20 -38% Market Duration of Homes Sold DAYS 37 +45% Local Statistics Population 8,718 (0.00%) House Size (sqft.) 2,310 (-4.19%)