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ZIP Code 94597
Walnut Creek, CA, Contra Costa County
Population
23,129
Land area
4.1sq mi
People per sq mi
5,707
City
Walnut Creek
ZIP 94597 and nearby ZIP codes
ZIP 94597 at a glance
- ZIP 94597 (Walnut Creek) is about 23 times as dense as California as a whole.
- The median household income is $132,063, 33% above the California median of $99,122.
- A typical owner-occupied home is valued at $1,026,800 (40% above California) and median rent is $2,661 a month.
Local data for ZIP 94597
Counts from official public data
Housing and community stats
ZIP 94597, American Community Survey 2020-2024
Median household income
$132,063
Poverty rate
8.1%
Median home value
$1,026,800
Prices -5.6% in a year
Median rent
$2,661/mo
Homeownership
46.4%
Bachelor's or higher
65.1%
Median age
39.1
Average commute
32.0 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
680
ZIP Business Patterns 2023
Employees
9,694
$1.1B annual payroll
PPP loans
$73.7M
890 loans
Campaign donations
$819K
13% D, 12% R, 2026 cycle
Environment and hazard risk
ZIP 94597, from FEMA, NOAA and EPA
Natural hazard risk
Very High
Top: earthquake
Storm events since 1996
472
Countywide, mostly strong wind
Flood insurance policies
2,681
0.9% of homes, county
July high / Jan low
88° / 42°F
17.7 inches of rain a year
Health statistics
Share of adults in ZIP 94597, CDC PLACES estimates
Obesity
26.3%
U.S. 33.3% -7.0 pts
Diabetes
8.8%
U.S. 12.1% -3.3 pts
Smoking
8.0%
U.S. 12.8% -4.8 pts
Uninsured (18-64)
4.8%
U.S. 11.1% -6.3 pts
Frequently asked questions
- What city is ZIP code 94597?
- ZIP code 94597 is in Walnut Creek, CA (Contra Costa County).
- What county is ZIP code 94597 in?
- ZIP code 94597 is mostly in Contra Costa County, California.
- How many people live in ZIP code 94597?
- About 23,129 people live in the 94597 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.