St. Peter, Minnesota, United States [City]; population was 9,421 in 1990; housing units was 2,869 in 1990; location is 44°20'N 93°58'W; land area is 5.05 square miles (3,230 acres); water area is 0.14 square miles (90 acres); FIPS code is 58036 [SourceCBP]