St. Helen, Michigan, United States [CDP]; population was 2,390 in 1990; housing units was 2,249 in 1990; location is 44°22'N 84°25'W; land area is 3.52 square miles (2,251 acres); water area is 0.88 square miles (562 acres); FIPS code is 70800 [SourceCBP]