San Diego County, CA Zip Codes
100 zip codes across 51 cities in San Diego County, CA
About San Diego County
San Diego County, California (CA) contains 100 unique zip codes spanning 51 cities and communities. Each zip code covers a different area within the county, with varying demographics, income levels, and housing markets.
Browse the complete list below to find detailed population, income, home values, cost of living, and climate data for any zip code in San Diego County.
Cities in San Diego County
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All Zip Codes in San Diego County, CA
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Frequently Asked Questions
How many zip codes are in San Diego County, CA?
San Diego County, CA has 100 zip codes across 51 cities.
What cities are in San Diego County?
Cities in San Diego County include Alpine, Bonita, Bonsall, Borrego Springs, Boulevard, Campo, Cardiff By the Sea, Carlsbad, Chula Vista, Coronado, Del Mar, Descanso, Dulzura, El Cajon, Encinitas, Escondido, Fallbrook, Guatay, Jacumba, Jamul, Julian, La Mesa, Lakeside, Lemon Grove, Mount Laguna, National City, Oceanside, Pala, Palomar Mountain, Pauma Valley, Pine Valley, Potrero, Poway, Ramona, Rancho Santa Fe, San Diego, San Marcos, San Ysidro, Santa Ysabel, Santee, Solana Beach, Spring Valley, Tecate, Valley Center, Vista, Warner Springs, Zcta 919hh, Zcta 919xx, Zcta 920hh, Zcta 920xx, Zcta 921hh.
What state is San Diego County in?
San Diego County is located in California (CA).
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.