Zip Code Database List
Account Login
Find ZIP+4 of Address

Find the ZIP Code, County, and +4 of any U.S. Address

FREE ZIP Code Finder

Find info on any U.S. ZIP Code

Other FREE Lookups

Lookup ZIP Code of any City, State, County or Area Code

FREE Radius Search

Find all ZIP Codes

FREE Distance Calc

Calculate the distance between two U.S. or Canadian ZIP codes.

ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Forest Knolls, CA

Forest Knolls, CA Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 94933P.O. BoxMarin865415 / 628

Timezone(s):Pacific (GMT -08:00)
Counties:MARIN, CA
Population:865 (More Details)
Male Population:422
Female Population:443
Median Age:49
ZIP Codes:1
Area Codes:2
Total Area:828 square miles (county)
Land Area:520 square miles (county)
Water Area:308 square miles (county)

Forest Knolls, CA Demographic Information *

There is no Census data for the city of FOREST KNOLLS, CA. We have pulled information for the ZIP Code 94933 instead.
Total population865
Male population422
Female population443
Median age (years)48.5
White Population787
Black Population16
Indian Population6
Asian Population5
Hawaiian Population0
Hispanic Population68
Median age (Male)48.9
Median age (Female)47.9
Total households388
Family households (families)232
Average household size2.21
Average family size2.78
Total housing units421
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],