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Zip Code 93402 — Los Osos, CA

93402 is a ZIP Code associated with Los Osos, CA, located within San Luis Obispo. 93402 ranks #7 out of 23 ZIP codes in San Luis Obispo County by population (and #925 out of 1,802 in CA). The area supports an estimated population of 14,197 residents across Data Pending housing units, with a population density of 197.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (35.290820, -120.839200)

Data MetricLocal Statistic
Postal / Zip Code93402
Primary CityLos Osos
State / ProvinceCA
CountySan Luis Obispo
Total Population14,197
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density197.5 people/sq mi
TimezoneAmerica/Los_Angeles

How 93402 Compares

MetricZIP 93402San Luis Obispo CountyCA State Average
Population14,197276,432 (Total)39,286,245 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density197.5 /sq mi----
County Pop Rank#7 of 23----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 93405San Luis Obispo6.4 mi25,002N/A
Zip 93424Avila Beach6.9 mi962N/A
Zip 93408San Luis Obispo7.1 mi6N/A
Zip 93442Morro Bay7.8 mi11,571N/A
Zip 93409San Luis Obispo8.3 mi2,952N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →