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ZIP code 94596: Walnut Creek, CA

94596 is a ZIP code in Walnut Creek, California, mainly in Contra Costa County, part of the San Francisco-Oakland-Fremont, CA metro area. About 23,417 people live here.

Population
23,417
Median household income
$135,635
Typical home value
$1,064,400+1.8% in 12 months
Median rent
$2,574gross, per month
Median age
37.1
Homeowners
43.6%of occupied homes
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Shaded: ZIP code 94596's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 94596 details

CityWalnut Creek
StateCalifornia
CountyContra Costa County
Metro areaSan Francisco-Oakland-Fremont, CA
Time zonePacific Time (UTC−8), observes daylight saving time
TypeStandard (delivery area)
Land area6.1 sq mi
Population density3,864 people per sq mi
Bachelor's degree or higher71.2% of adults 25+
Average commute31.8 minutes
Center coordinates37.88901, -122.03678

Median rent in 94596 by bedrooms

SizeMedian gross rent
Studio$2,296/mo
1 bedroom$2,418/mo
2 bedrooms$2,823/mo
3 bedrooms$2,975/mo

Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.

ZIP codes near 94596

ZIP codeCityDistancePopulation
94595Walnut Creek, CA2.1 mi16,988
94598Walnut Creek, CA2.3 mi27,206
94597Walnut Creek, CA2.8 mi23,129
94507Alamo, CA2.9 mi14,586
94518Concord, CA4.3 mi27,345
94549Lafayette, CA4.6 mi28,420
94523Pleasant Hill, CA5.0 mi34,592
94575Moraga, CA5.2 mi975

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Buying a home in 94596?

A typical home in ZIP code 94596 is worth about $1,064,400 (Zillow Home Value Index). The median household here earns $135,635 a year. See what buying here would cost per month, with California average taxes and insurance filled in.

Monthly payment for a $1,064,400 homeWhat can a $135,635 income afford?Rental property numbers

About ZIP code 94596

What city is ZIP code 94596?

ZIP code 94596 is in Walnut Creek, CA, in Contra Costa County.

What county is ZIP code 94596 in?

94596 is mainly in Contra Costa County, California.

What is the population of ZIP code 94596?

About 23,417 people live in ZIP code 94596, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 94596 in?

94596 is in Pacific Time (UTC−8). It observes daylight saving time.

What other ZIP codes does Walnut Creek have?

Walnut Creek, CA also uses 94595, 94597 and 94598.