Bel Aire, Kansas, United States [City]; population was 3,695 in 1990; housing units was 1,280 in 1990; location is 37°46'N 97°16'W; land area is 2.15 square miles (1,377 acres); water area is 0.01 square miles (6 acres); FIPS code is 5337 [SourceCBP]