Residential delivery area · California
ZIP Code 94002: Belmont, CA
ZIP code 94002 is in Belmont, California, entirely in San Mateo County (Census 2020 ZIP-county file). About 28,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $203,965 (Census Bureau, ACS 2020-2024). By Census place, 82% of its land lies in Belmont, and under 1% in smaller places; 17% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2022
- ZBP2023
- IRS2022
- Town
- Belmont · its only residential ZIP
- County
- San Mateo County
- Census places
- Belmont
- Metro area
- San Francisco-Oakland-Fremont, CA
- House district
- CA-15 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 5.6 sq mi · 4,896 people per sq mi
Where is ZIP code 94002?
94002 centers on 37.513°, -122.297° and covers 5.6 square miles of land plus 0.0 of water. It borders 6 ZIP codes: 94070, 94403, 94402, 94065, 94404, 94062.
The map draws ZIP code areas only. For the streets inside 94002, 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 94002 compare with the rest of San Mateo County?
| Measure | 94002 | In San Mateo County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 27,534 | 15th of 31 | 660th of 1,802 |
| Median household income | $204k | 8th of 23 | 47th of 1,189 |
| Median home value | $2M+ | 1= of 27 | 1= of 1,317 |
1= means a shared first place: 94002's median home value ties with 7 other ZIP codes at the Census cap in San Mateo County; median home value ties with 61 other ZIP codes at the Census cap in California.
Its median household income is higher than in 99% of U.S. residential ZIP codes, and it is denser than 94% 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 94002?
The 2020 Census counted 28,513 people in 94002; the ACS, which samples households over 2020-2024, estimates 27,534. Between the 2010 and 2020 censuses its population grew 9.7% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 27,534
- 2020 Census count
- 28,513+9.7% since 2010 (25,992)
- Households
- 10,567
- Median age
- 39.8
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 94002?
Of the 27,534 people the ACS estimates in 94002, 23.7% are under 18 and 13.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (45.6%), then Asian (not Hispanic) (30.6%).
- Under 1823.7%
- 18 to 6462.4%
- 65 and older13.9%
- White, not Hispanic45.6%
- Asian, not Hispanic30.6%
- Hispanic or Latino13.4%
- Other or two or more8.6%
- Black, not Hispanic1.8%
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 94002 earn?
Median household income is $203,965 (ACS 2020-2024), the 8th highest of the 23 ranked ZIP codes in San Mateo County. It is not measurably different from 2015-2019 ($190,764 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $203,965
- Income per person
- $100,792
- Below the poverty line
- 7.0%
- Unemployed (of the labor force)
- 7.2%
- Adults 25+ with a bachelor's degree
- 69.4%
- Adjusted gross income per tax return, 2022
- $282,57013,050 returns; wages 75% 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 94002?
- Median home value (owners' estimate)
- $2,000,000 or more
- Median gross rent
- $2,872
- Homes owned by their occupants
- 55.0%
- Housing units
- 11,437
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 94002?
694 business establishments had a location in this ZIP code in 2023, 9 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services110
- Health care and social assistance84
- Other services (except public administration)81
- Construction79
- Accommodation and food services70
- Retail trade44
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 94002?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 94070 | San Carlos | 30,447 | $240k | 1.8 mi |
| 94403 | San Mateo | 43,276 | $175k | 1.8 mi |
| 94402 | San Mateo | 25,475 | $173k | 2.6 mi |
| 94065 | Redwood City | 11,673 | $216k | 2.9 mi |
| 94404 | San Mateo | 35,881 | $192k | 3.3 mi |
| 94062 | Redwood City | 25,759 | $233k | 6.3 mi |
| 94401 | San Mateo | 35,295 | $122k | 4.4 mi (near) |
| 94061 | Redwood City | 37,048 | $146k | 4.9 mi (near) |
| 94063 | Redwood City | 34,433 | $117k | 5.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.