California · City Profile

Walnut Creek, CA

ZIP codes
4
Population
91,136
Median income
$137,277
Median home value
$1,033,450

Walnut Creek sits in Contra Costa, California, and is covered by 4 ZIP code tabulation areas. Across those ZIPs, an estimated 91,136 people live, work, and commute. Demographic and housing figures come from the U.S. Census Bureau's American Community Survey 5-Year Estimates (2018–2022).

Each ZIP code in Walnut Creek has its own character. Some are dense and walkable; others are exurban or rural, with single-digit households per square mile. The list below lets you compare the basic shape of each one — population, income, and home value — before clicking through to the full neighborhood profile.

Across the city overall, the typical owner-occupied home is valued near $1,033,450 and median asking rent runs around $2,574 per month. Median household income hovers around $137,277. These are averages of ZIP-level medians and will read differently depending on which neighborhood you actually settle in — which is precisely what the per-ZIP pages are for.

ZIP codes in Walnut Creek

ZIPCountyPopulationMedian incomeMedian home value
94595 Contra Costa 17,341 $91,734 $739,900
94596 Contra Costa 23,795 $135,422 $1,241,200
94597 Contra Costa 23,654 $135,960 $917,500
94598 Contra Costa 26,346 $185,995 $1,235,200

Thinking about relocating to Walnut Creek?

A few practical considerations as you evaluate the move:

  • Pick the ZIP, not just the city. Median income, school assignments, walkability and crime patterns can vary dramatically between neighboring ZIPs in the same city. Use the per-ZIP pages to compare.
  • Compare housing math honestly. The median home value here is $1,033,450, and median rent is $2,574. At current mortgage rates, that often makes renting the more flexible option for the first 12–24 months while you learn the neighborhoods.
  • Verify the commute. Drive your prospective work or school route at peak time — Google Maps optimistic estimates rarely match what locals actually experience.
  • Check the boring stuff. Property tax rates, HOA dues, flood-zone designation, and homeowner's insurance availability are easier to research before you sign than after.