Rio Rancho, New Mexico, United States [City]; population was 32,505 in 1990; housing units was 12,325 in 1990; location is 35°16'N 106°40'W; land area is 45.66 square miles (29,222 acres); water area is 0.07 square miles (45 acres); FIPS code is 63530 [SourceCBP]