Platte City, Missouri, United States [City]; population was 2,947 in 1990; housing units was 1,277 in 1990; location is 39°22'N 94°47'W; land area is 2.07 square miles (1,326 acres); water area is 0.04 square miles (27 acres); FIPS code is 58178 [SourceCBP]