Zip Code 94304 — Palo Alto, CA
94304 is a ZIP Code associated with Palo Alto, CA, located within Santa Clara. The postal region supports an estimated population of 5,000 residents across Data Pending housing units, with a population density of 401.6 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (37.397440, -122.166990)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 94304 |
| Primary City | Palo Alto |
| State / Province | CA |
| County | Santa Clara |
| Total Population | 5,000 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 401.6 people/sq mi |
| Timezone | America/Los_Angeles |
How 94304 Compares
| Metric | ZIP 94304 | Santa Clara County | CA State Average |
|---|
| Population | 5,000 | 1,926,381 | 39,286,245 |
| Median Income | Data Pending | N/A | N/A |
| Population Density | 401.6 /sq mi | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →