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Placentia, CA ZIP codes

Placentia, California has 2 ZIP codes, including 1 PO Box ZIP. They are in Orange County.

Population in these ZIPs
52,826
Avg. median income
$115,900population-weighted
Typical home value
$1,099,400population-weighted
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Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 miles

Placentia, CA ZIP codes list

Placentia, CA ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
92870Orange County52,826$115,929$1,099,400
92871 PO BoxOrange County———

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Placentia

Frequently asked questions

What is the ZIP code for Placentia, CA?

Placentia, CA has 2 ZIP codes: 92870 and 92871.

What county is Placentia, California in?

Placentia ZIP codes are in Orange County.

Which Placentia ZIP codes are PO Boxes?

92871 is a PO Box or single-organization ZIP code; it has no residential delivery area.