PlainZIP

Walnut Creek, CA

Single-footprint Census roll-up for Walnut Creek, CA: 4 USPS ZIPs, population 82,557. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet WALNUT-CREEK-CA · Walnut Creek, CA 4 ZIPs · 82,557 pop · #1208/25278 · Contra Costa County

INC-TOP · RANK-TOP · PHOTO-FINISH · BOOK-FEW · OWN-LOW · POP-SMALL · SPREAD-WIDE · HOME-TOP

  • INC-TOP $138,619
  • RANK-TOP #1208/25278
  • PHOTO-FINISH ≈ Brentwood
  • BOOK-FEW 4 ZIPs
  • OWN-LOW 62% owners
  • POP-SMALL 82,557
  • SPREAD-WIDE 94595→94598
  • HOME-TOP $1,126,275

Nearest income peer: Brentwood, CA (+ $3,604 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Walnut Creek

Lowest/highest poles plus county-sharing cities nearest Walnut Creek on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Walnut Creek, CA sits among US cities with a top-decile household income, on a small-city population base, across a handful of delivery areas.

Top 5%
household income vs 25,278 US cities
82,557
city population (Census)
4
USPS ZIP codes covered
$138,619
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

High-income footprint on only 4 ZIPs: the city page and the ZIP page nearly coincide. Headline income $138,619 and home value $1,126,275 should be read as near-neighborhood numbers ; bachelor's attainment averages 69.9%.

Owner-occupancy is comparatively low (62.0%) for this income tier, rent $2,683 may matter more than the home-value average.

Within California, Tracy is the closest lower-income city and Saint Helena the closest higher-income city by average ZIP household income. Their 4 and 1 ZIP footprints are the immediate statewide comparison set for Walnut Creek.

Within-city ZIP comparison

Where the ZIP codes inside Walnut Creek differ

Walnut Creek's city average masks two linked splits. Median household income runs from $100,552 in ZIP 94595 to $186,225 in ZIP 94598, while home values span $860,600 in 94595 to $1,339,900 in 94598. Compare the endpoint ZIPs before treating the city-level number as a neighborhood-level answer.

Income high-to-low ratio
1.9×

94595 to 94598

Home-value high-to-low ratio
1.6×

94595 to 94598

Poverty-rate spread
3.6 points

94595 to 94597

Derived from the published ACS 2023 ZIP-level records shown on this site. A high-to-low ratio compares the highest and lowest available ZIP values; it is not a score or forecast.

Population concentration

Walnut Creek residents split across a short ZIP set

No ZIP owns Walnut Creek: the largest, 94598, is only about 31% of 82,557 residents across 4 codes. Compare at least two ZIPs before treating the city roll-up as a neighborhood answer.

Census ZBP business roll-up

Employer-heavy short list in Walnut Creek

Citywide ZBP: 4,012 establishments, 64,684 employees , annual payroll $6,642,583k (~49 establishments per 1,000 residents) across 4 of 4 ZIPs. Peak business ZIP 94596 (2,061 units) ; leading NAICS Professional, scientific, and technical services (867) · also Health care and social assistance · Finance and insurance .

View your shortlist →

ZIP Codes in Walnut Creek, CA

These ZIP codes sit in Contra Costa County, which covers 43 ZIP codes in all; 4 of them fall in Walnut Creek. See the Contra Costa County roll-up →

Walnut Creek lands mid-pack among the 12 cities sharing Contra Costa County: San Ramon, Brentwood and Danville earn more and Concord, Antioch and Pittsburg earn less. Danville marks the far end of that range at $237,549, 71% above Walnut Creek.

Side-by-side: Compare 94598 vs 94597 →

ZIP Code Population Median income Establishments Density
94598 25,818 $186,225 985 655
94597 20,277 $132,063 680 2,002
94596 20,037 $135,635 2,061 1,299
94595 16,425 $100,552 286 1,179
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Walnut Creek roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Walnut Creek, .