Residential delivery area · California
ZIP Code 94080: South San Francisco, CA
ZIP code 94080 is in South San Francisco, California, entirely in San Mateo County (Census 2020 ZIP-county file). About 65,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $136,733 (Census Bureau, ACS 2020-2024). By Census place, 88% of its land lies in South San Francisco, and under 1% in smaller places; 12% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- South San Francisco · its only residential ZIP
- County
- San Mateo County
- Census places
- South San Francisco
- Neighborhoods
- Red Arrow Mobile Home Park, Treasure Island Mobile Home Park GeoNames
- Metro area
- San Francisco-Oakland-Fremont, CA
- House district
- CA-15 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 10.2 sq mi · 6,363 people per sq mi
- PO Box ZIPs
- 94083 also use the name South San Francisco
Where is ZIP code 94080?
94080 centers on 37.655°, -122.418° and covers 10.2 square miles of land plus 1.3 of water. It borders 6 ZIP codes: 94066, 94005, 94014, 94128, 94015, 94044.
The map draws ZIP code areas only. For the streets inside 94080, 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 94080 compare with the rest of San Mateo County?
| Measure | 94080 | In San Mateo County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 64,761 | 1st of 31 | 87th of 1,802 |
| Median household income | $137k | 19th of 23 | 228th of 1,189 |
| Median home value | $1.19M | 21st of 27 | 240th of 1,317 |
Its median household income is higher than in 94% of U.S. residential ZIP codes, and it is denser than 96% 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 94080?
The 2020 Census counted 66,592 people in 94080; the ACS, which samples households over 2020-2024, estimates 64,761. Between the 2010 and 2020 censuses its population grew 4.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 64,761
- 2020 Census count
- 66,592+4.1% since 2010 (63,975)
- Households
- 21,966
- Median age
- 43.1
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 94080?
Of the 64,761 people the ACS estimates in 94080, 17.3% are under 18 and 19.0% are 65 or older. The largest group by race and Hispanic origin is Asian (not Hispanic) (41.6%), then Hispanic or Latino (32.3%).
- Under 1817.3%
- 18 to 6463.7%
- 65 and older19.0%
- Asian, not Hispanic41.6%
- Hispanic or Latino32.3%
- White, not Hispanic20.0%
- Other or two or more4.6%
- Black, not Hispanic1.5%
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 94080 earn?
Median household income is $136,733 (ACS 2020-2024), the 19th highest of the 23 ranked ZIP codes in San Mateo County. It is not measurably different from 2015-2019 ($129,570 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $136,733
- Income per person
- $62,585
- Below the poverty line
- 6.7%
- Unemployed (of the labor force)
- 2.8%
- Adults 25+ with a bachelor's degree
- 40.8%
- Adjusted gross income per tax return, 2022
- $110,88433,190 returns; wages 78% 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 94080?
FHFA's house price index for 94080, built from repeat sales and appraisals of the same homes, rose 61% from 2015 to 2025 and rose 19% from 2020 to 2025, and moved −4.9% in 2025.
- Median home value (owners' estimate)
- $1,188,700
- Median gross rent
- $2,809
- Homes owned by their occupants
- 58.9%
- Housing units
- 23,654
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 94080?
2,268 business establishments had a location in this ZIP code in 2023, 37 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services295
- Accommodation and food services246
- Wholesale trade231
- Health care and social assistance229
- Transportation and warehousing210
- Retail trade206
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 94080?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 94066 | San Bruno | 42,728 | $141k | 2.2 mi |
| 94005 | Brisbane | 4,692 | $156k | 2.4 mi |
| 94014 | Daly City | 45,315 | $123k | 2.9 mi |
| 94128 | San Francisco | 0 | – | 3.0 mi |
| 94015 | Daly City | 64,091 | $127k | 3.9 mi |
| 94044 | Pacifica | 37,274 | $160k | 4.7 mi |
| 94030 | Millbrae | 22,689 | $164k | 3.9 mi (near) |
| 94134 | San Francisco | 38,633 | $120k | 4.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name South San Francisco?
1 more ZIP code carries the postal name South San Francisco, CA without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.
| ZIP | County |
|---|---|
| 94083 | San Mateo County |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.