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USPS city
Sn Luis Obisp, CA ZIP codes
10 ZIP codes that list Sn Luis Obisp as a USPS primary or acceptable city. Not a Census place.
Sum of ZCTA populations for ZIP codes intersecting Sn Luis Obisp. Not a Census place total. Methodology
Combined population of ZIP/ZCTAs that list this USPS city as a primary or acceptable name. This is a labeled ZIP-sum, never a Census place ACS population. Methodology
Map of Sn Luis Obisp, CA
