Atherton ZIP code, California
The ZIP code for Atherton, CA is 94027, and its area code is 650.
- USPS city name
- 1 ZIP code
- Population
- 6,993
- Area code
- 650
- County
- San Mateo County
- State
- California
NANPA lists no telephone rate centre for Atherton itself, so these are the area codes of the nearest one, Redwood City (2.0 miles). A town on an area-code boundary can differ from its neighbour.
Atherton in numbers
About 6,993 people live in Atherton, in 2,227 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 49.1; 83.1% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 23 minutes.
| Population | 6,993 |
|---|---|
| Households | 2,227 |
| Median age | 49.1 |
| Median household income | $250,000+ |
| Median home value | $2,000,000+ |
| Median gross rent | $3,500+ |
| Bachelor's degree or higher | 83.1% |
| Mean commute | 23.2 min |
| Population density | 1,394 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Atherton town. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Atherton
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
94027 | Atherton , CA | Standard | 7,002 | $250,000+ | $2,000,000+ |
Map of Atherton ZIP codes
The ZIP codes of Atherton, 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 Atherton
The nearest larger towns are North Fair Oaks (13,100 people, 1.3 mi), Stanford (18,662 people, 2.8 mi) and Menlo Park (32,727 people, 3.3 mi).
| Town | Population | Distance |
|---|---|---|
| North Fair Oaks | 13,100 | 1.3 mi |
| West Menlo Park | 3,634 | 1.6 mi |
| Stanford | 18,662 | 2.8 mi |
| Menlo Park | 32,727 | 3.3 mi |
| Emerald Lake Hills | 4,235 | 3.6 mi |
| East Palo Alto | 29,069 | 3.8 mi |
| Woodside | 5,126 | 4.0 mi |
| Redwood City | 82,447 | 4.1 mi |
| San Carlos | 29,614 | 4.7 mi |
| Palo Alto | 67,237 | 5.3 mi |
| Belmont | 27,337 | 6.5 mi |
| Portola Valley | 4,305 | 6.6 mi |
| Los Altos Hills | 8,377 | 7.1 mi |
| Mountain View | 83,732 | 7.8 mi |
More nearby: every ZIP code in San Mateo County · California ZIP codes
Cite this page
zipcodes.pro. “Atherton, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/atherton
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