La Jolla ( lə HOY-ə, American Spanish: [la ˈxoʝa]) is a hilly, seaside area within the City of San Diego, occupying 7 miles (11 km) of curving coastline along the Pacific Ocean. The population reported in the 2010 census was 46,781.La Jolla is surrounded on three sides by ocean bluffs and beaches and is located 12 miles (19 km) north of Downtown San Diego and 45 miles (72 km) south of the Orange County line. There are some 16 neighborhoods in La Jolla. The climate is mild, with an average daily temperature of 70.5 °F (21.4 °C).La Jolla is home to many educational institutions and a variety of businesses in the areas of lodging, dining, shopping, software, finance, real estate, bioengineering, medical practice and scientific research. The University of California, San Diego (UCSD) is located in La Jolla, as are the Salk Institute, Scripps Institution of Oceanography (part of UCSD), Scripps Research Institute, and the headquarters of National University (though its academic campuses are elsewhere).