Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/CA/LAGUNITAS-FOREST-KNOLLS

Lagunitas-Forest Knolls ZIP codes, California

No ZIP code is named for Lagunitas-Forest Knolls, CA; addresses there use a neighbouring town's name. 3 ZIP codes cover it: 94933, 94938 and 94963. Its area codes are 415 and 628.

USPS city name
0 ZIP codes
Overlapping the city
3 more
Population
1,626
Area codes
415, 628

NANPA lists no telephone rate centre for Lagunitas-Forest Knolls itself, so these are the area codes of the nearest one, Nicasio (3.6 miles). A town on an area-code boundary can differ from its neighbour.

Lagunitas-Forest Knolls in numbers

About 1,626 people live in Lagunitas-Forest Knolls, in 818 households. The median household income is $130,682 a year, 32% above the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $939,500 (28% above the California median), and median gross rent is $2,387 a month. The median age is 53.6; 61.5% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 32 minutes.

Population1,626Lagunitas-Forest Knolls1,626
Households818Lagunitas-Forest Knolls818
Median age53.6Lagunitas-Forest Knolls53.6California37.9US 38.9
Median household income$130,682Lagunitas-Forest Knolls$130,682California$99,122US $80,734
Median home value$939,500Lagunitas-Forest Knolls$939,500California$734,700US $332,700
Median gross rent$2,387Lagunitas-Forest Knolls$2,387California$2,036US $1,413
Bachelor's degree or higher61.5%Lagunitas-Forest Knolls61.5%California37.1%US 35.7%
Mean commute32.4 minLagunitas-Forest Knolls32.4 minCalifornia28.7 minUS 26.4 min
Population density383 / sq miLagunitas-Forest Knolls383 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Lagunitas-Forest Knolls CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Lagunitas-Forest Knolls

These ZIP codes cover part of Lagunitas-Forest Knolls but are addressed as somewhere else.

ZIP codes overlapping Lagunitas-Forest Knolls
ZIP City Type Population Median income Median home
94933 Forest Knolls , CA Standard 1,033 $133,006 $862,100
94938 Lagunitas , CA Standard 437 — $1,149,700
94963 San Geronimo , CA Standard 739 $210,823 $1,156,300

Map of Lagunitas-Forest Knolls ZIP codes

949339493894963

The ZIP codes of Lagunitas-Forest Knolls, CA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Lagunitas-Forest Knolls

The nearest larger towns are Woodacre (1,627 people, 3.0 mi), Fairfax (7,516 people, 5.6 mi) and Sleepy Hollow (3,063 people, 5.7 mi).

Towns near Lagunitas-Forest Knolls
TownPopulationDistance
Fairfax 7,516 5.6 mi
Sleepy Hollow 3,063 5.7 mi
Lucas Valley-Marinwood 6,473 6.4 mi
San Anselmo 12,679 7.1 mi
Ross 2,606 8.0 mi
Novato 52,546 9.1 mi
Kentfield 6,900 9.2 mi
Larkspur 12,854 10.3 mi
Santa Venetia 3,725 10.3 mi
San Rafael 60,433 10.4 mi
Mill Valley 14,012 11.1 mi
Corte Madera 10,077 11.6 mi
Tamalpais-Homestead Valley 12,085 12.7 mi
Strawberry 5,830 13.2 mi

More nearby: every ZIP code in Marin County · California ZIP codes

Cite this page

zipcodes.pro. “Lagunitas-Forest Knolls, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/lagunitas-forest-knolls

Underlying data is public domain or openly licensed — sources, vintages and licences.