Residential delivery area · California
ZIP Code 94305: Stanford, CA
ZIP code 94305 is in Stanford, California, entirely in Santa Clara County (Census 2020 ZIP-county file). About 19,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $83,088 (Census Bureau, ACS 2020-2024). By Census place, 51% of its land lies in Stanford (a census-designated place); 49% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2013
- ZBP2023
- IRS2022
- Town
- Stanford · its only residential ZIP
- County
- Santa Clara County
- Census places
- Stanford census-designated place
- Metro area
- San Jose-Sunnyvale-Santa Clara, CA
- House district
- CA-16 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 4.8 sq mi · 3,872 people per sq mi
Where is ZIP code 94305?
94305 centers on 37.418°, -122.171° and covers 4.8 square miles of land plus 0.0 of water. It borders 5 ZIP codes: 94304, 94301, 94306, 94025, 94028.
The map draws ZIP code areas only. For the streets inside 94305, 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).
How does 94305 compare with the rest of Santa Clara County?
| Measure | 94305 | In Santa Clara County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 18,509 | 48th of 63 | 844th of 1,802 |
| Median household income | $83k | not ranked | not ranked |
| Median home value | $2M+ | not ranked | not ranked |
94305's income and home value are not ranked: most of its 18,509 residents live outside households (3,264 households; mostly students, median age 21.9): a campus, a base or an institution. Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 91% of 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 94305?
The 2020 Census counted 20,961 people in 94305; the ACS, which samples households over 2020-2024, estimates 18,509. Between the 2010 and 2020 censuses its population grew 51.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 18,509
- 2020 Census count
- 20,961+51.2% since 2010 (13,862)
- Households
- 3,264
- Median age
- 21.9
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 94305?
Of the 18,509 people the ACS estimates in 94305, 5.1% are under 18 and 3.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (44.0%), then Asian (not Hispanic) (27.8%).
- Under 185.1%
- 18 to 6491.1%
- 65 and older3.8%
- White, not Hispanic44.0%
- Asian, not Hispanic27.8%
- Hispanic or Latino15.8%
- Other or two or more8.5%
- Black, not Hispanic3.9%
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 94305 earn?
Median household income is $83,088 (ACS 2020-2024). It is not measurably different from 2015-2019 ($73,619 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $83,088±$25,193
- Income per person
- $42,424
- Below the poverty line
- 14.9%
- Unemployed (of the labor force)
- 7.8%
- Adults 25+ with a bachelor's degree
- 92.2%
- Adjusted gross income per tax return, 2022
- $227,4393,520 returns; wages 57% 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 94305?
- Median home value (owners' estimate)
- $2,000,000 or more
- Median gross rent
- $2,014
- Homes owned by their occupants
- 28.4%
- Housing units
- 4,002
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 94305?
115 business establishments had a location in this ZIP code in 2023, 2 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services30
- Accommodation and food services21
- Health care and social assistance12
- Other services (except public administration)10
- Information8
- Educational services8
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 94305?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 94304 | Palo Alto | 5,000 | $154k | 1.5 mi |
| 94301 | Palo Alto | 17,508 | $242k | 2.1 mi |
| 94306 | Palo Alto | 27,183 | $210k | 2.2 mi |
| 94025 | Menlo Park | 40,721 | $217k | 2.4 mi |
| 94028 | Portola Valley | 6,531 | $250k+ | 3.8 mi |
| 94027 | Atherton | 7,002 | $250k+ | 3.2 mi (near) |
| 94303 | Palo Alto | 46,879 | $152k | 4.1 mi (near) |
| 94022 | Los Altos | 20,027 | $250k+ | 4.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.