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zipcodes.pro — CITY/CA/PORTOLA-VALLEY

Portola Valley ZIP code, California

The ZIP code for Portola Valley, CA is 94028, and its area code is 650.

USPS city name
1 ZIP code
Population
4,305
Area code
650

NANPA lists no telephone rate centre for Portola Valley itself, so these are the area codes of the nearest one, Palo Alto (2.9 miles). A town on an area-code boundary can differ from its neighbour.

Portola Valley in numbers

About 4,305 people live in Portola Valley, in 1,767 households. The median household income is $250,000+ a year (US: $80,734). The median owner-occupied home is valued at $2,000,000+, and median gross rent is $3,500+ a month. The median age is 60.6; 86.9% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 19 minutes.

Population4,305Portola Valley4,305
Households1,767Portola Valley1,767
Median age60.6Portola Valley60.6California37.9US 38.9
Median household income$250,000+Portola Valley$250,000+California$99,122US $80,734
Median home value$2,000,000+Portola Valley$2,000,000+California$734,700US $332,700
Median gross rent$3,500+Portola Valley$3,500+California$2,036US $1,413
Bachelor's degree or higher86.9%Portola Valley86.9%California37.1%US 35.7%
Mean commute19.3 minPortola Valley19.3 minCalifornia28.7 minUS 26.4 min
Population density474 / sq miPortola Valley474 / sq mi

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

ZIP codes addressed as Portola Valley

ZIP codes with the USPS city name Portola Valley
ZIP City Type Population Median income Median home
94028 Portola Valley , CA Standard 6,531 $250,000+ $2,000,000+

Map of Portola Valley ZIP codes

94028

The ZIP codes of Portola Valley, 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 Portola Valley

The nearest larger towns are Woodside (5,126 people, 4.2 mi), Los Altos Hills (8,377 people, 5.2 mi) and Palo Alto (67,237 people, 5.4 mi).

Towns near Portola Valley
TownPopulationDistance
Woodside 5,126 4.2 mi
West Menlo Park 3,634 5.0 mi
Los Altos Hills 8,377 5.2 mi
Palo Alto 67,237 5.4 mi
Stanford 18,662 5.6 mi
Atherton 6,993 6.6 mi
Emerald Lake Hills 4,235 7.2 mi
Loyola 3,430 7.5 mi
Los Altos 30,698 7.5 mi
North Fair Oaks 13,100 7.8 mi
Mountain View 83,732 8.8 mi
East Palo Alto 29,069 9.0 mi
Menlo Park 32,727 9.2 mi
San Carlos 29,614 9.4 mi

More nearby: every ZIP code in San Mateo County · California ZIP codes

Cite this page

zipcodes.pro. “Portola Valley, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/portola-valley

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