San Diego County, California Cities (2025)

58 cities

City
Rank
2025 Pop.
2020 Pop.
Change
Density
Area (mi²)
Type
San Diego11,389,6721,386,2920.05%4,262326.09 City
Chula Vista2273,349275,809-0.18%5,50749.64 City
Oceanside3167,390173,965-0.78%4,05641.27 City
Escondido4146,194151,014-0.66%3,91437.35 City
Carlsbad5112,542114,924-0.42%2,97637.81 City
El Cajon6100,935106,075-1.01%6,95614.51 City
Vista798,23498,508-0.06%5,24018.75 City
San Marcos893,74794,849-0.23%3,81524.57 City
La Mesa960,16361,097-0.31%6,6179.09 City
Encinitas1060,07061,997-0.64%3,15219.06 City
Santee1159,22059,864-0.22%3,58116.54 City
National City1254,58456,213-0.59%7,4287.35 City
Poway1347,55948,788-0.51%1,21739.08 City
La Presa1439,73037,4100.94%7,2285.50 CDP
Fallbrook1534,50432,3590.77%1,96717.54 CDP
Spring Valley1633,56931,8661.08%4,5727.34 CDP
Lemon Grove1727,54727,602-0.04%7,1023.88 City
Imperial Beach1825,02826,102-0.85%5,8344.29 City
Rancho San Diego1922,73521,4760.45%2,6148.70 CDP
Ramona2022,57521,4930.68%58738.44 CDP
Lakeside2122,03721,0320.42%3,1806.93 CDP
Winter Gardens2221,49222,7850.27%4,8624.42 CDP
Casa Oro-Mount Helix2320,37819,3270.53%2,9746.85 CDP
Coronado2418,62818,1500.52%2,3877.80 City
Bostonia2517,21817,5320.72%8,9401.93 CDP
Alpine2616,33014,9580.86%61026.79 CDP
Camp Pendleton South2714,76616,6181.91%2,1296.94 CDP
Bonita2813,70712,4700.57%2,7325.02 CDP
Solana Beach2912,50712,927-0.67%3,6633.41 City
Camp Pendleton Mainside3011,9997,4247.14%1,11610.75 CDP
Valley Center3111,34211,3201.23%41327.45 CDP
San Diego Country Estates3210,2749,7520.11%61216.78 CDP
Eucalyptus Hills336,7866,4481.48%1,4264.76 CDP
Jamul345,9825,776-0.2%35516.83 CDP
Granite Hills354,8984,0202.62%1,7542.79 CDP
Harbison Canyon364,2114,3550.6%41810.07 CDP
Bonsall374,1684,1940.29%30613.62 CDP
Lake San Marcos383,9913,957-0.72%2,3381.71 CDP
Del Mar393,8153,945-0.68%2,2221.72 City
Hidden Meadows403,7513,6750.46%5696.59 CDP
Campo413,6643,5361.81%15623.50 CDP
Crest423,3262,7211.5%5096.53 CDP
Rancho Santa Fe433,0122,657-0.23%4496.71 CDP
Fairbanks Ranch442,9812,929-0.37%5855.09 CDP
Borrego Springs452,8251,864-1.43%6543.41 CDP
Harmony Grove462,5491,4947.15%8273.08 CDP
Pine Valley471,8451,6111.21%2587.16 CDP
Lakeside481,7569697.14%9731.80 CDP
Descanso491,4261,3980.07%7419.16 CDP
Julian501,3461,318-0.74%1717.89 CDP
Pala511,2351,0947.11%2215.58 CDP
Jacumba529315792.76%1526.12 CDP
Spring Valley539001,0560.45%1824.93 CDP
Elfin Forest547444627.2%3672.02 CDP
Potrero55472250-2.48%1503.15 CDP
Boulevard563704531.09%953.91 CDP
Del Dios573153027.14%7680.41 CDP
Mount Laguna581301027.44%771.70 CDP

San Diego County Cities Summary

Largest City

San Diego is the largest city in San Diego County, with a population of 1,389,672.

Smallest City

Mount Laguna is the smallest city in San Diego County.

10 Largest Cities

There are 58 cities in San Diego County, California.

Location of San Diego County