Williams, CA ZIP code

The ZIP code for Williams, California is 95987. It is in Colusa County.

95987

Population in these ZIPs: 6,786
Avg. median income: $95,100population-weighted
Typical home value: $377,100population-weighted

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Williams, CA ZIP code list

Williams, CA ZIP codes
ZIP code	Population	Median income	Typical home value
95987	6,786	$95,122	$377,100

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 Williams

Arbuckle 12 mi
Rumsey 13 mi
Maxwell 13 mi
Colusa 16 mi
Guinda 17 mi
Stonyford 18 mi
Grimes 18 mi
Capay 20 mi
Dunnigan 20 mi
Lower Lake 20 mi
Clearlake Oaks 21 mi
Clearlake 23 mi

Frequently asked questions

What is the ZIP code for Williams, CA?

The ZIP code for Williams, CA is 95987.

What county is Williams, California in?

Williams ZIP codes are in Colusa County.