St. Michael-Sidman, Pennsylvania, United States [CDP]; population was 1,189 in 1990; housing units was 463 in 1990; location is 40°19'N 78°46'W; land area is 2.03 square miles (1,297 acres); water area is 0.02 square miles (10 acres); FIPS code is 67356 [SourceCBP]