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.)
City | Rank | State | 2024 Population | 2020 Census | Annual Change | Density (mi²) | Area (mi²) |
|---|---|---|---|---|---|---|---|
| San Diego | 1 | California | 1,388,996 | 1,386,292 | 0.05% | 4,260 | 326.09 |
| Chula Vista | 2 | California | 273,841 | 275,809 | -0.18% | 5,517 | 49.64 |
| Oceanside | 3 | California | 168,705 | 173,965 | -0.77% | 4,088 | 41.27 |
| Escondido | 4 | California | 147,158 | 151,014 | -0.65% | 3,940 | 37.35 |
| Carlsbad | 5 | California | 113,018 | 114,924 | -0.42% | 2,989 | 37.81 |
| Murrieta | 6 | California | 112,122 | 111,146 | 0.22% | 3,343 | 33.54 |
| Temecula | 7 | California | 110,878 | 110,094 | 0.18% | 2,982 | 37.18 |
| El Cajon | 8 | California | 101,963 | 106,075 | -1% | 7,027 | 14.51 |
| Vista | 9 | California | 98,289 | 98,508 | -0.06% | 5,243 | 18.75 |
| San Marcos | 10 | California | 93,967 | 94,849 | -0.24% | 3,824 | 24.57 |
| San Clemente | 11 | California | 61,679 | 64,213 | -1.02% | 3,360 | 18.36 |
| Encinitas | 12 | California | 60,455 | 61,997 | -0.63% | 3,172 | 19.06 |
| La Mesa | 13 | California | 60,350 | 61,097 | -0.31% | 6,638 | 9.09 |
| Santee | 14 | California | 59,349 | 59,864 | -0.22% | 3,589 | 16.54 |
| National City | 15 | California | 54,910 | 56,213 | -0.59% | 7,473 | 7.35 |
| Poway | 16 | California | 47,805 | 48,788 | -0.51% | 1,223 | 39.08 |
| La Presa | 17 | California | 38,870 | 37,410 | 0.33% | 7,071 | 5.50 |
| Wildomar | 18 | California | 37,145 | 36,913 | 0.16% | 1,564 | 23.74 |
| Fallbrook | 19 | California | 35,061 | 32,359 | 1.97% | 1,999 | 17.54 |
| Spring Valley | 20 | California | 33,126 | 31,866 | 0.96% | 4,512 | 7.34 |
| Dana Point | 21 | California | 32,403 | 33,057 | -0.5% | 4,996 | 6.49 |
| Lemon Grove | 22 | California | 27,558 | 27,602 | -0.04% | 7,104 | 3.88 |
| Imperial Beach | 23 | California | 25,243 | 26,102 | -0.84% | 5,884 | 4.29 |
| Rancho San Diego | 24 | California | 23,252 | 21,476 | 1.8% | 2,674 | 8.70 |
| Ramona | 25 | California | 22,648 | 21,493 | 1.18% | 589 | 38.44 |
| Lakeside | 26 | California | 22,486 | 21,032 | 1.65% | 3,245 | 6.93 |
| Casa Oro-Mount Helix | 27 | California | 20,557 | 19,327 | 1.24% | 3,001 | 6.85 |
| Winter Gardens | 28 | California | 20,004 | 22,785 | -3.19% | 4,526 | 4.42 |
| Coronado | 29 | California | 18,532 | 18,150 | 0.52% | 2,374 | 7.80 |
| Alpine | 30 | California | 16,437 | 14,958 | 1.63% | 614 | 26.79 |
| Bostonia | 31 | California | 16,168 | 17,532 | -2.07% | 8,395 | 1.93 |
| Bonita | 32 | California | 14,476 | 12,470 | 3.59% | 2,885 | 5.02 |
| Solana Beach | 33 | California | 12,591 | 12,927 | -0.66% | 3,688 | 3.41 |
| Camp Pendleton Mainside | 34 | California | 11,774 | 7,424 | 10.18% | 1,096 | 10.75 |
| Camp Pendleton South | 35 | California | 11,546 | 16,618 | -9.38% | 1,664 | 6.94 |
| Valley Center | 36 | California | 10,538 | 11,320 | -1.82% | 384 | 27.45 |
| San Diego Country Estates | 37 | California | 9,991 | 9,752 | -1.24% | 595 | 16.78 |
| Eucalyptus Hills | 38 | California | 6,534 | 6,448 | 0.34% | 1,373 | 4.76 |
| Jamul | 39 | California | 6,128 | 5,776 | 0.91% | 364 | 16.83 |
| Granite Hills | 40 | California | 4,557 | 4,020 | 0.35% | 1,632 | 2.79 |
| Bonsall | 41 | California | 4,068 | 4,194 | -0.76% | 299 | 13.62 |
| Lake San Marcos | 42 | California | 3,986 | 3,957 | -1.17% | 2,335 | 1.71 |
| Harbison Canyon | 43 | California | 3,919 | 4,355 | -2.71% | 389 | 10.07 |
| Del Mar | 44 | California | 3,841 | 3,945 | -0.67% | 2,237 | 1.72 |
| Hidden Meadows | 45 | California | 3,721 | 3,675 | 0.32% | 565 | 6.59 |
| Borrego Springs | 46 | California | 3,706 | 1,864 | 11.43% | 85 | 43.41 |
| Crest | 47 | California | 3,637 | 2,721 | 6.72% | 557 | 6.53 |
| Campo | 48 | California | 3,400 | 3,536 | -0.99% | 145 | 23.50 |
| Rancho Santa Fe | 49 | California | 3,271 | 2,657 | 3.77% | 487 | 6.71 |
| Fairbanks Ranch | 50 | California | 3,099 | 2,929 | 1.41% | 608 | 5.09 |
| Harmony Grove | 51 | California | 2,584 | 1,494 | 11.81% | 839 | 3.08 |
| Pine Valley | 52 | California | 1,945 | 1,611 | 4.51% | 271 | 7.16 |
| Descanso | 53 | California | 1,452 | 1,398 | 0.97% | 76 | 19.16 |
| Rainbow | 54 | California | 1,449 | 2,211 | -11.59% | 131 | 11.05 |
| Julian | 55 | California | 1,436 | 1,318 | 2.13% | 182 | 7.89 |
| Jacumba | 56 | California | 1,135 | 579 | 13.96% | 185 | 6.12 |
| Pala | 57 | California | 1,032 | 1,094 | 2.18% | 185 | 5.58 |
| Potrero | 58 | California | 768 | 250 | 20.38% | 244 | 3.15 |
| Elfin Forest | 59 | California | 728 | 462 | 10.14% | 360 | 2.02 |
| Boulevard | 60 | California | 265 | 453 | -15.06% | 68 | 3.91 |
| Del Dios | 61 | California | 202 | 302 | -11.01% | 493 | 0.41 |
| Mount Laguna | 62 | California | 106 | 102 | 0.95% | 62 | 1.70 |
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.
San Diego is the largest city in San Diego County.
Mount Laguna is the smallest city in San Diego County.
There are 62 cities in San Diego County, California.