Grosse Ile, Michigan, United States [CDP]; population was 9,781 in 1990; housing units was 3,632 in 1990; location is 42°8'N 83°9'W; land area is 9.60 square miles (6,147 acres); water area is 8.72 square miles (5,583 acres); FIPS code is 35440 [SourceCBP]