 The highest population densities are located in the San Diego neighborhoods of University City, La Jolla, Mission Valley, Pacific Beach the Downtown San Diego district of the East Village among others, and areas of Tijuana.An area of 116 census tracts in the North County region of the conurbation has a population of 615,092 and a per capita income of $44,131 which is about 50 percent more than that of California and the entire United States.This area contains nearly all of the area located in the cities of Carlsbad, Encinitas, Solana Beach, and Del Mar.