There are 114 zip codes in San Diego County, California. The most populated is 91911, located in Chula Vista. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
9191187,799Chula Vista
9215483,758San Diego
9212678,111San Diego
9191076,313Chula Vista
9210572,688San Diego
9202169,638El Cajon
9211466,487San Diego
9197765,497Spring Valley
9211561,456San Diego
9207159,795Santee
9202059,775El Cajon
9205758,022Oceanside
9195057,844National City
9213057,363San Diego
9191356,102Chula Vista
9202755,750Escondido
9211754,499San Diego
9205654,190Oceanside
9202653,053Escondido
9207853,019San Marcos
9212952,495San Diego
9202851,135Fallbrook
9212751,107San Diego
9211350,983San Diego
9202550,270Escondido
9202450,222Encinitas
9208449,971Vista
9212849,273San Diego
9206448,783Poway
9205848,272Oceanside
9211147,710San Diego
9206946,648San Marcos
9210446,613San Diego
9200946,334Carlsbad
9210146,025San Diego
9212245,988San Diego
9201945,937El Cajon
9204045,906Lakeside
9210944,009San Diego
9194240,995La Mesa
9210240,051San Diego
9208337,864Vista
9203737,665La Jolla
9205437,050Oceanside
9206536,836Ramona
9191535,608Chula Vista
9213135,227San Diego
9213934,930San Diego
9210334,296San Diego
9194133,602La Mesa
9212332,951San Diego
9211631,836San Diego
9212431,121San Diego
9211030,773San Diego
9212030,241San Diego
9208129,475Vista
9210729,435San Diego
9217328,609San Ysidro
9194527,541Lemon Grove
9200827,373Carlsbad
9193226,157Imperial Beach
9201124,472Carlsbad
9211924,419San Diego
9210824,201San Diego
9208220,678Valley Center
9210620,483San Diego
9202919,986Escondido
9190118,669Alpine
9211817,602Coronado
9191417,373Chula Vista
9190217,121Bonita
9201016,566Carlsbad
9201412,532Del Mar
9207512,072Solana Beach
9200711,939Cardiff By The Sea
9197811,006Spring Valley
9205510,618Camp Pendleton
921369,630San Diego
919359,320Jamul
920679,186Rancho Santa Fe
920034,404Bonsall
919064,281Campo
921214,150San Diego
920043,200Borrego Springs
920363,075Julian
921793,031San Diego
921452,810San Diego
921402,807San Diego
919622,528Pine Valley
920932,044La Jolla
919161,833Descanso
920611,677Pauma Valley
920591,456Pala
919051,411Boulevard
920861,409Warner Springs
920911,288Rancho Santa Fe
919341,251Jacumba
921351,095San Diego
91917851Dulzura
92070761Santa Ysabel
91931749Guatay
91963624Potrero
92092521La Jolla
92060506Palomar Mountain
92066319Ranchita
92134241San Diego
92155196San Diego
92147180San Diego
91948104Mount Laguna
91980103Tecate
9216112San Diego
92096San Marcos
92132San Diego
92182San Diego
showing: 114 rows

Zip Codes in San Diego County, California by Population (2024)