Residential delivery area · California

ZIP Code 94304: Palo Alto, CA

ZIP code 94304 is in Palo Alto, California, entirely in Santa Clara County (Census 2020 ZIP-county file). About 5,000 people live there (Census Bureau, ACS 2020-2024), the least populous of Palo Alto's 4 residential ZIP codes. Median household income is $154,141 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Palo Alto (80%) and Stanford (7%), and 1% in smaller places; 12% is outside any Census place.

  • ACS2020-24
  • Census2020
  • ZBP2023
  • IRS2022
9national area: California, Alaska, Hawaii, Oregon, Washington and 7 more
943sectional center: San Francisco, CA (SCF 940)
04delivery area within it
Town
Palo Alto · 4 residential ZIPs
Census places
Palo Alto (80%); Stanford (7%) census-designated place
Neighborhood
Alta Mesa GeoNames
Metro area
San Jose-Sunnyvale-Santa Clara, CA
House district
CA-16 119th Congress
Time zone
Pacific
Land area
4.8 sq mi · 1,040 people per sq mi
PO Box ZIPs
94302, 94309 also use the name Palo Alto

Where is ZIP code 94304?

94304 centers on 37.397°, -122.167° and covers 4.8 square miles of land. It borders 6 ZIP codes: 94305, 94306, 94028, 94022, 94301, 94025.

94022 · Los Altos94025 · Menlo Park94028 · Portola Valley94301 · Palo Alto94305 · Stanford94306 · Palo Alto94304 · Palo Alto (this ZIP)9430494022940289402594306943059430194022 · Los Altos94025 · Menlo Park94028 · Portola Valley94301 · Palo Alto94305 · Stanford94306 · Palo Alto94304 · Palo Alto (this ZIP)9430494022940289402594306943059430194022 · Los Altos94025 · Menlo Park94028 · Portola Valley94301 · Palo Alto94305 · Stanford94306 · Palo Alto94304 · Palo Alto (this ZIP)94304940229402894025943069430594301
Shaded by median household income, in national fifths (ACS 2020-2024); 94304 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 94304, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.

How does 94304 compare with the rest of Palo Alto?

Rank of 94304 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure94304In Palo AltoIn Santa Clara CountyIn CA
People (ACS 2020-2024)5,0004th of 458th of 631,130th of 1,802
Median household income$154k3rd of 436th of 57143rd of 1,189
Median home value$2M+1= of 41= of 581= of 1,317

1= means a shared first place: 94304's median home value ties with 2 other ZIP codes at the Census cap in Palo Alto; median home value ties with 14 other ZIP codes at the Census cap in Santa Clara County; median home value ties with 61 other ZIP codes at the Census cap in California.

Its median household income is higher than in 97% of U.S. residential ZIP codes, and it is denser than 79% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).

How many people live in 94304?

The 2020 Census counted 4,569 people in 94304; the ACS, which samples households over 2020-2024, estimates 5,000. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.

People, ACS 2020-2024
5,000±679 (90% margin)
2020 Census count
4,569
Households
2,218
Median age
38.6

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).

Who lives in 94304?

Of the 5,000 people the ACS estimates in 94304, 17.6% are under 18 and 23.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (49.7%), then Asian (not Hispanic) (29.2%).

  • Under 1817.6%
  • 18 to 6459.4%
  • 65 and older23.0%
Age of the people of 94304 (ACS 2020-2024, B01001)
  • White, not Hispanic49.7%
  • Asian, not Hispanic29.2%
  • Hispanic or Latino12.5%
  • Other or two or more6.8%
  • Black, not Hispanic1.8%
Race and Hispanic origin in 94304 (ACS 2020-2024, B03002); each person counted once

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.

What do households in 94304 earn?

Median household income is $154,141 (ACS 2020-2024), the 36th highest of the 57 ranked ZIP codes in Santa Clara County.

By IRS adjusted gross income per tax return ($1,603,575, 2022), 94304 ranks 5th in the U.S. among ZIP codes of 1,000+ people with 200+ returns and at most 1.5 returns per household (see the ranking).

Median household income
$154,141±$25,552
Income per person
$114,617
Below the poverty line
6.9%
Unemployed (of the labor force)
3.7%
Adults 25+ with a bachelor's degree
82.2%
Adjusted gross income per tax return, 2022
$1,603,5751,940 returns; wages 12% of AGI (IRS)

Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).

What are homes worth in 94304?

Median home value (owners' estimate)
$2,000,000 or more
Median gross rent
$3,500 or more
Homes owned by their occupants
23.2%
Housing units
2,560

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).

What businesses are in 94304?

483 business establishments had a location in this ZIP code in 2023, 5 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).

  • Professional, scientific, and technical services114
  • Retail trade93
  • Finance and insurance51
  • Health care and social assistance39
  • Accommodation and food services38
  • Other services (except public administration)29

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 94304?

ZIP codes that share a boundary with 94304, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
94305Stanford18,509$83k1.5 mi
94306Palo Alto27,183$210k2.4 mi
94028Portola Valley6,531$250k+2.9 mi
94022Los Altos20,027$250k+3.1 mi
94301Palo Alto17,508$242k3.4 mi
94025Menlo Park40,721$217k3.8 mi
94027Atherton7,002$250k+4.5 mi (near)
94040Mountain View35,632$188k4.6 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.