There are 23 zip codes in San Luis Obispo County, California. The most populated is 93446, located in Paso Robles. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
93446Paso Robles45,720
93422Atascadero33,781
93420Arroyo Grande32,126
93401San Luis Obispo28,773
93405San Luis Obispo24,991
93444Nipomo22,079
93402Los Osos15,572
93433Grover Beach12,755
93442Morro Bay11,399
93465Templeton9,829
93449Pismo Beach8,050
93445Oceano6,912
93410San Luis Obispo6,523
93428Cambria6,056
93430Cayucos2,941
93409San Luis Obispo2,591
93453Santa Margarita2,096
93432Creston1,434
93461Shandon1,369
93424Avila Beach1,174
93407San Luis Obispo309
93452San Simeon307
93408San Luis Obispo11

San Luis Obispo County, California Zip Codes by Population (2024)