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100 zip codes
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81 zip codes
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105 zip codes
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62 zip codes
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30 zip codes
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Los Angeles County
538 zip codes
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115 zip codes
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73 zip codes
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139 zip codes
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About This Resource
Complete ZIP Data
We cover all 2,710 zip codes in California with demographics, maps and geographic information sourced from the U.S. Census Bureau and USPS, plus affordability ratios computed for every ZIP with housing data.
Always Up to Date
Demographics come from the ACS 5-Year Estimates and are rebuilt after each December release; ZIP assignments follow USPS. Our methodology page shows how every figure is derived.
Free to Use
All zip code lookups and searches on cazipcodes.com are completely free with no signup required.
Frequently Asked Questions
Original Research: California ZIP Code Affordability 2026
Which California ZIP codes can a median income still buy into, where rent has crossed the 30% cost-burden line, how the Bay Area, the coast, the Inland Empire and the Central Valley compare, and which counties still have attainable ZIPs. Every figure is computed from the same Census ACS dataset behind this site, with county tables, a value screen and a full methodology.