Hanford, city (1990 pop. 30,897), seat of Kings co., central Calif.; inc. 1891. It is an agricultural trade and processing center of the San Joaquin Valley. Hanford handles cotton, wheat, barley, nuts, and fruits and vegetables. Rubber and oil companies are also located in the area. The nearby U.S. naval air station in Lemoore contributes to Hanford's recreational and retail industries.