City of Loma Linda 25581 Barton Rd, Loma Linda, CA92354 The City of Loma Linda is a charter city that was incorporated September 29, 1970. It has a population of approximately…More 20,952 residents. It is a council-manager city that covers 7.8 square miles in San Bernardino County. It's police protection is under contract with the San Bernardino County Sheriff's Department. The city has 10 parks. Median age in the city is 34.1. The city is home to multiple hospitals and medical centers. Rhodes Rigsby is mayor.