Clarendon Hills, Illinois, United States [Village]; population was 6,994 in 1990; housing units was 2,810 in 1990; location is 41°48'N 87°57'W; land area is 1.72 square miles (1,100 acres); water area is 0.00 square miles (2 acres); FIPS code is 14572 [SourceCBP]