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ZIP code

94528

Diablo, CA

PO BOX

94528 covers Diablo in Contra Costa County, with 1,000 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

ACS 2023 population

1,000

Median home value

$2,000,000+

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 94528. Methodology

ZIP code map of 94528

Census ZCTA boundary for ZIP 94528 in Diablo, California
Census ZCTA boundary for ZIP 94528 in Diablo, California. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources
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About ZIP code 94528

Type

PO BOX

City

Diablo

Timezone

America/Los_Angeles

Area codes

925

Land area

1.2 sq mi

Water area

0.00 sq mi

Households

408

More enterprise fields

Timezone
America/Los_Angeles
Area Codes
925
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 94528. Not ACS. Methodology

People in 94528

Race

  • White889
  • Black or African American5
  • American Indian or Alaska Native5
  • Asian61
  • Other race5
  • Two or more races89

Hispanic or Latino (any race): 63

Age

  • Under 1095
  • 10 to 19163
  • 20 to 2982
  • 30 to 3982
  • 40 to 49121
  • 50 to 59164
  • 60 to 69200
  • 70 to 7986
  • 80 and older61

Income and housing in 94528

Poverty rate

10.6%

Median earnings

-666666666

Median home value

$2,000,000+

Education

  • High school graduate100.0%
  • Bachelor's degree85.0%
  • Graduate degree59.2%

Places covering 94528

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.

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.

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 94528

IRS populationACS population
1,313657020052023

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
20051,216
20061,093
20071,120
20081,112
20111,043
20121,175
20131,124
2014915
2015767
20167491,100
2017552
2018307
2019384
2020804
2021655
2022726
20231,000

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

ZIP codes near 94528

12 nearest ZIP centroids (any distance)

  1. 94526Danville2.3 miPop 33,085 · Income $216,974
  2. 94507Alamo2.8 miPop 14,546 · Income $250,000+
  3. 94506Danville3.9 miPop 27,261 · Income $250,000+
  4. 94517Clayton4.9 miPop 12,164 · Income $164,860
  5. 94583San Ramon5.1 miPop 39,418 · Income $184,033
  6. 94596Walnut Creek5.4 miPop 23,592 · Income $137,660
  7. 94582San Ramon5.8 miPop 47,182 · Income $211,159
  8. 94598Walnut Creek6.1 miPop 26,293 · Income $188,170
  9. 94588Pleasanton6.2 miPop 34,423 · Income $186,569
  10. 94595Walnut Creek6.4 miPop 17,051 · Income $98,108
  11. 94521Concord7.7 miPop 41,118 · Income $127,312
  12. 94556Moraga8.1 miPop 15,922 · Income $199,300

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 94528, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

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94528 Diablo, CA

Looking up ZIP codes within 2 miles of 94528 Diablo, CA, measured by centroid distance.

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Households

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Avg median income

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ZIP code 94528 FAQ

What city is ZIP code 94528 in?
94528 is in Diablo, CA.
What county is 94528 in?
94528 is in Contra Costa County.
What is the median household income in 94528?
Median household income is not published for 94528.
Which ZIP codes are near 94528?
Use the radius tool on this page to list ZIP codes within a chosen distance of 94528.