Corcoran is a city in Kings County, California, United States. Corcoran is located 17 miles (27 km) south-southeast of Hanford, at an elevation of 207 ft (63 m). It is part of the Hanford–Corcoran Metropolitan Statistical Area. The population was 24,813 (2010 census), up from 14,458 (2000 census). The California Department of Finance estimated that Corcoran's population was 22,691 on January 1, 2016.
Corcoran is most famous as the site of the California State Prison, Corcoran, home to a number of notable inmates such as Charles Manson, and Juan Corona. The California Substance Abuse Treatment Facility and State Prison, Corcoran is a separate facility that is also located in the city. As of January 1. 2015, the two prisons held a combined total of 9,592 inmates. Inmates are counted as city residents by both the United States Census and the California Department of Finance. Thus, the incarcerated persons in the two prisons comprise just over 43% of the total population of Corcoran.