ZIP code
94546
Castro Valley, CA
94546 covers Castro Valley in Alameda County, with 45,848 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 94546. Methodology
ZIP code map of 94546
About ZIP code 94546
Acceptable cities: Hayward
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 94546. Not ACS. Methodology
People in 94546
Race
- White19,884
- Black or African American2,744
- American Indian or Alaska Native442
- Asian12,700
- Native Hawaiian and Pacific Islander283
- Other race4,096
- Two or more races6,538
Hispanic or Latino (any race): 9,858
Age
- Under 105,462
- 10 to 195,654
- 20 to 295,169
- 30 to 396,791
- 40 to 496,402
- 50 to 596,187
- 60 to 695,828
- 70 to 793,210
- 80 and older1,984
Income and housing in 94546
Education
- High school graduate90.2%
- Bachelor's degree41.4%
- Graduate degree15.4%
Places covering 94546
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.
- Castro Valley97.7%
- Hayward2.3%
- Ashland0.0%
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.
- 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
0.0% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 94546
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 38,489 | |
| 2006 | 37,958 | |
| 2007 | 40,381 | |
| 2008 | 39,158 | |
| 2009 | 39,754 | |
| 2010 | 40,524 | |
| 2011 | 42,100 | 41,273 |
| 2012 | 42,766 | 41,470 |
| 2013 | 42,650 | 42,080 |
| 2014 | 43,448 | 42,560 |
| 2015 | 42,754 | 42,940 |
| 2016 | 43,472 | 42,720 |
| 2017 | 44,285 | 43,110 |
| 2018 | 44,272 | 42,850 |
| 2019 | 44,378 | 42,700 |
| 2020 | 45,085 | 42,650 |
| 2021 | 46,169 | 41,640 |
| 2022 | 45,761 | 41,600 |
| 2023 | 45,848 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 94546
12 nearest ZIP centroids (any distance)
- 94617Oakland2.0 miPop 24 · Income —
- 94605Oakland2.8 miPop 44,168 · Income $101,043
- 94578San Leandro2.9 miPop 41,567 · Income $89,149
- 94603Oakland4.0 miPop 36,440 · Income $71,086
- 94577San Leandro4.1 miPop 47,533 · Income $110,989
- 94619Oakland4.5 miPop 28,044 · Income $129,879
- 94580San Lorenzo4.9 miPop 28,866 · Income $110,106
- 94613Oakland5.0 miPop 529 · Income —
- 94541Hayward5.0 miPop 67,785 · Income $106,556
- 94579San Leandro5.0 miPop 19,955 · Income $94,193
- 94621Oakland5.9 miPop 34,658 · Income $53,106
- 94552Castro Valley5.9 miPop 14,359 · Income $205,170
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 94546, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 94546 FAQ
- What city is ZIP code 94546 in?
- 94546 is in Castro Valley, CA.
- What county is 94546 in?
- 94546 is in Alameda County.
- What is the median household income in 94546?
- The median household income in 94546 is $125,780.
- Which ZIP codes are near 94546?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 94546.