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Forest Knolls, CA ZIP code

The ZIP code for Forest Knolls, California is 94933. It is in Marin County.

Population in these ZIPs
1,033
Avg. median income
$133,000population-weighted
Typical home value
$863,900population-weighted
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ZIP codes within 10 miles

Forest Knolls, CA ZIP code list

Forest Knolls, CA ZIP codes
ZIP codePopulationMedian incomeTypical home value
949331,033$133,006$863,900

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

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Frequently asked questions

What is the ZIP code for Forest Knolls, CA?

The ZIP code for Forest Knolls, CA is 94933.

What county is Forest Knolls, California in?

Forest Knolls ZIP codes are in Marin County.