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ZIP code

94598

Walnut Creek, CA

STANDARD

94598 covers Walnut Creek in Contra Costa County, with 26,293 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

26,293

Median household income

$188,170

Median home value

$1,307,100

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 94598. Methodology

ZIP code map of 94598

Census ZCTA boundary for ZIP 94598 in Walnut Creek, California
Census ZCTA boundary for ZIP 94598 in Walnut Creek, 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 94598

Type

STANDARD

City

Walnut Creek

County

Contra Costa County

Timezone

America/Los_Angeles

Area codes

925

Land area

20.6 sq mi

Water area

0.01 sq mi

Households

10,735

Median gross rent

$2,989

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 94598. Not ACS. Methodology

People in 94598

Race

  • White17,720
  • Black or African American375
  • American Indian or Alaska Native61
  • Asian4,863
  • Native Hawaiian and Pacific Islander38
  • Other race692
  • Two or more races3,077

Hispanic or Latino (any race): 2,386

Age

  • Under 103,024
  • 10 to 193,088
  • 20 to 292,041
  • 30 to 393,008
  • 40 to 493,543
  • 50 to 593,794
  • 60 to 693,477
  • 70 to 792,787
  • 80 and older2,064

Income and housing in 94598

Poverty rate

5.2%

Median earnings

$99,757

Median household income

$188,170

Median home value

$1,307,100

Median gross rent

$2,989

Education

  • High school graduate97.6%
  • Bachelor's degree73.8%
  • Graduate degree31.0%

Places covering 94598

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

0.1% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 94598

IRS populationACS population
30,05715,029020052023

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
200526,916
200625,755
200726,434
200825,998
200926,128
201026,327
201126,18026,425
201226,12726,280
201326,67226,450
201426,97426,500
201527,32826,580
201627,17526,470
201727,39826,620
201827,78026,380
201927,83126,300
202026,66626,190
202126,44126,070
202226,34626,000
202326,293

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

ZIP codes near 94598

12 nearest ZIP centroids (any distance)

  1. 94596Walnut Creek2.3 miPop 23,592 · Income $137,660
  2. 94518Concord2.4 miPop 27,743 · Income $111,406
  3. 94597Walnut Creek3.1 miPop 24,235 · Income $142,685
  4. 94521Concord3.5 miPop 41,118 · Income $127,312
  5. 94523Pleasant Hill4.2 miPop 34,789 · Income $142,622
  6. 94595Walnut Creek4.3 miPop 17,051 · Income $98,108
  7. 94507Alamo4.4 miPop 14,546 · Income $250,000+
  8. 94519Concord5.0 miPop 19,918 · Income $123,366
  9. 94520Concord5.4 miPop 36,767 · Income $79,790
  10. 94549Lafayette5.8 miPop 28,247 · Income $231,195
  11. 94528Diablo6.1 miPop 1,000 · Income —
  12. 94517Clayton6.9 miPop 12,164 · Income $164,860

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 94598, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

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94598 Walnut Creek, CA

Looking up ZIP codes within 2 miles of 94598 Walnut Creek, CA, measured by centroid distance.

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ZIP code 94598 FAQ

What city is ZIP code 94598 in?
94598 is in Walnut Creek, CA.
What county is 94598 in?
94598 is in Contra Costa County.
What is the median household income in 94598?
The median household income in 94598 is $188,170.
Which ZIP codes are near 94598?
Use the radius tool on this page to list ZIP codes within a chosen distance of 94598.