San Diego County (California) chart of communities by population (2010-census)

† county seat

Reference 1: Population (2010 Census).

Reference 2: † San Diego, Chula Vista, Oceanside, Escondido, Carlsbad, El Cajon, Vista, San Marcos, Encinitas, National City, La Mesa, Santee, Poway, La Presa, Fallbrook, Spring Valley, Imperial Beach, Lemon Grove, Rancho San Diego, Lakeside, Winter Gardens, Ramona, Coronado, Casa de Oro-Mount Helix, Bostonia, Alpine, Solana Beach, Bonita, Camp Pendleton South, San Diego Country Estates, Valley Center, Jamul, Eucalyptus Hills, Camp Pendleton North, Lake San Marcos, Del Mar, Bonsall, Harbison Canyon, Hidden Meadows, Borrego Springs, Fairbanks Ranch, Rancho Santa Fe, Granite Hills, Campo, Crest, Rainbow, Pine Valley, Julian, Descanso, Pala Indian Reservation[83], Rincon Reservation[84], San Pasqual Reservation[85], Potrero, Barona Reservation[86], Jucumba Hot Springs, Viejas Reservation[87], La Jolla Reservation[88], Campo Indian Reservation[89], Santa Ysabel Reservation[90], Boulevard, Sycuan Reservation[91], Pauma and Yuima Reservation[92], Los Coyotes Reservation[93], Mesa Grande Reservation[94], Manzanita Reservation[95], Mount Laguna and La Posta Indian Reservation[96].

Source: http://en.wikipedia.org/wiki/San_Diego_County,_California