Au Sable, Michigan, United States [CDP]; population was 1,542 in 1990; housing units was 694 in 1990; location is 44°25'N 83°20'W; land area is 1.61 square miles (1,030 acres); water area is 0.03 square miles (17 acres); FIPS code is 4280 [SourceCBP]
