Peoria Heights, Illinois, United States [Village]; population was 6,930 in 1990; housing units was 3,350 in 1990; location is 40°45'N 89°33'W; land area is 2.63 square miles (1,686 acres); water area is 4.27 square miles (2,732 acres); FIPS code is 59026 [SourceCBP]