Cities in San Diego County, California by Population (2024)

There are 62 cities in San Diego County, California.

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
San Diego1California1,375,4521,386,872-0.21%4,218326.09
Chula Vista2California282,299276,0410.56%5,68749.64
Oceanside3California170,484173,914-0.5%4,13141.27
Escondido4California149,401151,139-0.29%4,00037.35
Murrieta5California116,248111,3181.07%3,46633.54
Temecula6California113,491110,0130.77%3,05337.18
Carlsbad7California113,424114,896-0.32%3,00037.81
El Cajon8California102,702106,126-0.83%7,07814.51
Vista9California97,14298,390-0.32%5,18218.75
San Marcos10California94,80894,900-0.02%3,85924.57
San Clemente11California62,65764,257-0.63%3,41318.36
Encinitas12California60,75061,988-0.51%3,18819.06
La Mesa13California59,65061,070-0.59%6,5619.09
Santee14California58,15059,952-0.77%3,51616.54
National City15California54,98556,115-0.51%7,4837.35
Poway16California47,37748,779-0.73%1,21239.08
La Presa17California38,87037,4100.33%7,0715.50
Wildomar18California37,51636,9120.4%1,58023.74
Fallbrook19California35,06132,3591.97%1,99917.54
Spring Valley20California33,12631,8660.96%4,5127.34
Dana Point21California31,86433,066-0.93%4,9136.49
Lemon Grove22California26,83427,614-0.72%6,9183.88
Imperial Beach23California25,45526,127-0.66%5,9344.29
Rancho San Diego24California23,25221,4761.8%2,6748.70
Ramona25California22,64821,4931.18%58938.44
Lakeside26California22,48621,0321.65%3,2456.93
Casa Oro-Mount Helix27California20,55719,3271.24%3,0016.85
Winter Gardens28California20,00422,785-3.19%4,5264.42
Coronado29California19,26818,1361.49%2,4697.80
Alpine30California16,43714,9581.63%61426.79
Bostonia31California16,16817,532-2.07%8,3951.93
Bonita32California14,47612,4703.59%2,8855.02
Solana Beach33California12,67312,931-0.5%3,7123.41
Camp Pendleton Mainside34California11,7747,42410.18%1,09610.75
Camp Pendleton South35California11,54616,618-9.38%1,6646.94
Valley Center36California10,53811,320-1.82%38427.45
San Diego Country Estates37California9,9919,752-1.24%59516.78
Eucalyptus Hills38California6,5346,4480.34%1,3734.76
Jamul39California6,1285,7760.91%36416.83
Granite Hills40California4,5574,0200.35%1,6322.79
Bonsall41California4,0684,194-0.76%29913.62
Lake San Marcos42California3,9863,957-1.17%2,3351.71
Harbison Canyon43California3,9194,355-2.71%38910.07
Del Mar44California3,8183,946-0.83%2,2241.72
Hidden Meadows45California3,7213,6750.32%5656.59
Borrego Springs46California3,7061,86411.43%8543.41
Crest47California3,6372,7216.72%5576.53
Campo48California3,4003,536-0.99%14523.50
Rancho Santa Fe49California3,2712,6573.77%4876.71
Fairbanks Ranch50California3,0992,9291.41%6085.09
Harmony Grove51California2,5841,49411.81%8393.08
Pine Valley52California1,9451,6114.51%2717.16
Descanso53California1,4521,3980.97%7619.16
Rainbow54California1,4492,211-11.59%13111.05
Julian55California1,4361,3182.13%1827.89
Jacumba56California1,13557913.96%1856.12
Pala57California1,0321,0942.18%1855.58
Potrero58California76825020.38%2443.15
Elfin Forest59California72846210.14%3602.02
Boulevard60California265453-15.06%683.91
Del Dios61California202302-11.01%4930.41
Mount Laguna62California1061020.95%621.70
showing: 62 rows

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in San Diego County, California?

San Diego is the largest city in San Diego County.

What is the smallest city in San Diego County, California?

Mount Laguna is the smallest city in San Diego County.

How many cities are in San Diego County?

There are 62 cities in San Diego County, California.

Frequently Asked Questions