ZIP code
94578
San Leandro, CA
94578 covers San Leandro in Alameda County, with 41,567 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 94578. Methodology
ZIP code map of 94578

About ZIP code 94578
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 94578. Not ACS. Methodology
People in 94578
Race
- White7,749
- Black or African American7,072
- American Indian or Alaska Native610
- Asian10,923
- Native Hawaiian and Pacific Islander459
- Other race9,087
- Two or more races5,057
Hispanic or Latino (any race): 14,673
Age
- Under 104,849
- 10 to 194,959
- 20 to 296,089
- 30 to 396,769
- 40 to 495,333
- 50 to 595,302
- 60 to 694,211
- 70 to 792,271
- 80 and older1,174
Income and housing in 94578
Education
- High school graduate82.0%
- Bachelor's degree25.4%
- Graduate degree6.5%
Places covering 94578
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 Leandro49.6%
- Ashland33.8%
- Castro Valley16.7%
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.
- Alameda 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
Population history for 94578
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 31,258 | |
| 2006 | 31,472 | |
| 2007 | 34,199 | |
| 2008 | 33,582 | |
| 2009 | 34,760 | |
| 2010 | 35,977 | |
| 2011 | 37,757 | 37,127 |
| 2012 | 38,230 | 36,710 |
| 2013 | 39,225 | 37,500 |
| 2014 | 38,629 | 37,890 |
| 2015 | 39,642 | 38,600 |
| 2016 | 40,603 | 37,710 |
| 2017 | 40,897 | 38,020 |
| 2018 | 41,059 | 37,240 |
| 2019 | 41,865 | 36,820 |
| 2020 | 42,468 | 35,880 |
| 2021 | 42,370 | 34,340 |
| 2022 | 42,350 | 33,680 |
| 2023 | 41,567 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 94578
12 nearest ZIP centroids (any distance)
- 94580San Lorenzo2.0 miPop 28,866 · Income $110,106
- 94579San Leandro2.2 miPop 19,955 · Income $94,193
- 94577San Leandro2.5 miPop 47,533 · Income $110,989
- 94546Castro Valley2.9 miPop 45,848 · Income $125,780
- 94541Hayward3.1 miPop 67,785 · Income $106,556
- 94617Oakland3.1 miPop 24 · Income —
- 94603Oakland3.5 miPop 36,440 · Income $71,086
- 94605Oakland4.0 miPop 44,168 · Income $101,043
- 94545Hayward5.3 miPop 33,186 · Income $115,258
- 94621Oakland5.5 miPop 34,658 · Income $53,106
- 94613Oakland6.0 miPop 529 · Income —
- 94619Oakland6.2 miPop 28,044 · Income $129,879
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 94578, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 94578 FAQ
- What city is ZIP code 94578 in?
- 94578 is in San Leandro, CA.
- What county is 94578 in?
- 94578 is in Alameda County.
- What is the median household income in 94578?
- The median household income in 94578 is $89,149.
- Which ZIP codes are near 94578?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 94578.