Zip Code 94304 — Palo Alto, CA

ZIP Code 94304 is associated with Palo Alto, CA, in Santa Clara County. The listed population estimate is 5,000; estimated density is 401.6 people per square mile. Among records with population estimates, it ranks #53 of 58 in Santa Clara County and #1130 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (37.397440, -122.166990)

Data MetricLocal Statistic
Postal / Zip Code94304
Primary CityPalo Alto
State / ProvinceCA
CountySanta Clara
Total Population5,000
Population Density401.6 people/sq mi
TimezoneAmerica/Los_Angeles

How 94304 Compares

MetricZIP 94304Santa Clara County recordsCA records
Population estimate5,0001,926,381 (sum)39,286,245 (sum)
Population Density401.6 /sq mi----
County population rank#53 of 58----
State population rank#1130 of 1,762----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in CA

ZIP CodeCityDistancePopulation estimate
ZIP 94305Stanford1.3 mi18,509
ZIP 94306Palo Alto2.4 mi27,183
ZIP 94028Portola Valley2.9 mi6,531
ZIP 94022Los Altos3.2 mi20,027
ZIP 94301Palo Alto3.4 mi17,508

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 →