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ZIP code

94543

Hayward, CA

PO BOX

94543 is a po box for Hayward in Alameda County. Census ACS does not publish a population for this code. IRS last reported 419 people in 2007.

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

IRS 2007 population

419

IRS Statistics of Income 2007. Geography: ZCTA 94543. Methodology

About ZIP code 94543

Type

PO BOX

Timezone

America/Los_Angeles

Area codes

510

IRS households (2007)

227

More enterprise fields

Timezone
America/Los_Angeles
Area Codes
510
World Region
NA
Country
US

Commercial ZIP directory · not ACS

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 94543. Methodology

People in 94543

Census fields are empty for this ZIP.

Income and housing in 94543

ACS does not publish income or housing figures for this ZIP.

Places covering 94543

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.

No place overlap rows for this ZIP.

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.

No county overlap rows for this ZIP.

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 94543

IRS population
453226020052007

Hover the chart or read the table below (Year | ACS | IRS).

Population history. Year | ACS population | IRS population. ACS and IRS are separate series. Blank cells mean that source did not publish a count for the year.
YearACS populationIRS population
2005355
2006348
2007419

ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.

ZIP codes near 94543

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ZIP centroids within 2 miles

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ZIP code 94543 FAQ

What city is ZIP code 94543 in?
94543 is in Hayward, CA.
What county is 94543 in?
94543 is in Alameda County.
What is the median household income in 94543?
Median household income is not published for 94543.
Which ZIP codes are near 94543?
Use the radius tool on this page to list ZIP codes within a chosen distance of 94543.