San Clemente is a coastal city in Orange County, California, United States. The population was 64,857 at the 2018 census. Located on the California Coast, midway between Los Angeles and San Diego, the southernmost city of Orange County is known for its ocean, hill, and mountain views, a pleasant climate and its Spanish colonial-style architecture. San Clemente's city slogan is "Spanish Village by the Sea". The official city flower is the bougainvillea, and the official city tree is the coral.