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
Population
City
9344645,720Paso Robles
9342233,781Atascadero
9342032,126Arroyo Grande
9340128,773San Luis Obispo
9340524,991San Luis Obispo
9344422,079Nipomo
9340215,572Los Osos
9343312,755Grover Beach
9344211,399Morro Bay
934659,829Templeton
934498,050Pismo Beach
934456,912Oceano
934106,523San Luis Obispo
934286,056Cambria
934302,941Cayucos
934092,591San Luis Obispo
934532,096Santa Margarita
934321,434Creston
934611,369Shandon
934241,174Avila Beach
93407309San Luis Obispo
93452307San Simeon
9340811San Luis Obispo

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