ZIP code
94070
San Carlos, CA
94070 covers San Carlos in San Mateo County, with 30,696 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 94070. Methodology
ZIP code map of 94070

About ZIP code 94070
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 94070. Not ACS. Methodology
People in 94070
Race
- White20,019
- Black or African American272
- American Indian or Alaska Native102
- Asian6,042
- Native Hawaiian and Pacific Islander87
- Other race1,113
- Two or more races3,950
Hispanic or Latino (any race): 3,508
Age
- Under 103,942
- 10 to 194,020
- 20 to 292,485
- 30 to 394,169
- 40 to 494,963
- 50 to 594,786
- 60 to 693,524
- 70 to 792,297
- 80 and older1,399
Income and housing in 94070
Education
- High school graduate96.8%
- Bachelor's degree68.4%
- Graduate degree37.5%
Places covering 94070
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- San Carlos97.3%
- Belmont0.0%
- Redwood City0.0%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- San Mateo County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
2.7% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 94070
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 29,058 | |
| 2006 | 28,258 | |
| 2007 | 29,089 | |
| 2008 | 28,828 | |
| 2009 | 29,140 | |
| 2010 | 29,538 | |
| 2011 | 29,044 | 29,857 |
| 2012 | 29,358 | 30,230 |
| 2013 | 29,531 | 30,630 |
| 2014 | 29,879 | 30,770 |
| 2015 | 30,287 | 30,930 |
| 2016 | 30,370 | 31,120 |
| 2017 | 30,745 | 30,900 |
| 2018 | 31,049 | 31,070 |
| 2019 | 31,074 | 30,620 |
| 2020 | 30,420 | 30,470 |
| 2021 | 31,477 | 30,060 |
| 2022 | 31,312 | 30,310 |
| 2023 | 30,696 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 94070
12 nearest ZIP centroids (any distance)
- 94002Belmont1.8 miPop 27,730 · Income $204,573
- 94065Redwood City2.8 miPop 11,620 · Income $213,361
- 94061Redwood City3.1 miPop 37,369 · Income $141,599
- 94403San Mateo3.4 miPop 43,459 · Income $179,825
- 94404San Mateo4.1 miPop 35,950 · Income $182,417
- 94063Redwood City4.2 miPop 34,695 · Income $115,528
- 94402San Mateo4.4 miPop 25,498 · Income $179,683
- 94027Atherton4.8 miPop 7,030 · Income $250,000+
- 94062Redwood City5.2 miPop 25,944 · Income $233,333
- 94025Menlo Park5.9 miPop 40,230 · Income $215,871
- 94401San Mateo6.0 miPop 35,628 · Income $121,258
- 94301Palo Alto7.6 miPop 17,126 · Income $235,529
ZIP centroids within 2 miles
| ZIP | City | State | Distance (miles) | ACS population | Median income |
|---|---|---|---|---|---|
| 94002 | Belmont | CA | 1.8 mi | 27,730 | $204,573 |
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 94070 FAQ
- What city is ZIP code 94070 in?
- 94070 is in San Carlos, CA.
- What county is 94070 in?
- 94070 is in San Mateo County.
- What is the median household income in 94070?
- The median household income in 94070 is $235,373.
- Which ZIP codes are near 94070?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 94070.