Placentia, California Zip Codes
📍 Placentia is in Orange County, California with 2 zip codes; the most populous is 92870.
Placentia is a USPS city name in Orange County, California with a Census population of approximately 53,150 across its ZIP codes. Orange County as a whole has 148 ZIP codes in this directory. Below you'll find every zip code serving Placentia with population, income and home value, a map, and the city's affordability profile.
Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).
All Placentia Zip Codes
Placentia at a Glance
Placentia has 2 ZIP codes in this directory: 1 standard delivery ZIP and 1 PO Box or unique ZIP that carries no resident population in Census data. The 1 ZIP with published Census housing data cover 53,150 residents, the largest being 92870 with 53,150 people.
The median ZIP in Placentia has a household income of $106,298 and a home value of $835,300, a price-to-income ratio of 7.9, above the 6.7 California ZIP median. Median rent across these ZIPs is $2,170 a month.
64% of households in the typical Placentia ZIP own their home (statewide ZIP median 64%). 42% of adults hold a bachelor's degree, above the 31% statewide median. The median poverty rate is 8.6%, below the 10.8% statewide ZIP median. Overall density is about 7,933 residents per square mile across 7 square miles of ZIP land area.
Medians are taken across the ZIP codes listed below (each ZIP weighted equally); PO Box and no-data ZIPs are excluded. Definitions on the methodology page; statewide comparisons in the 2026 California ZIP Code Affordability Report.
Placentia Zip Code Map
Interactive map of Placentia, California zip codes. Click any marker for details.