Walnut Creek is a city in Contra Costa County, California, United States, located in the East Bay region of the San Francisco Bay Area, approximately 16 miles (26 kilometers) east of the city of Oakland and 25 miles (40 kilometers) east of San Francisco. Walnut Creek has a total population of 70,127 per the 2020 census, is located at the junction of the highways from Sacramento and San Jose (I-680) and San Francisco/Oakland (SR-24), and is accessible by BART. The city shares its borders with Clayton, Lafayette, Alamo, Pleasant Hill and Concord.

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

How Walnut Creek ranks

All →

#17Fewest smokers in CA #34Most trails in CA #53Fewest uninsured in CA All CA rankings →

Town numbers

ZIP code94595, 94596, 94597

Area code925

Living in Walnut Creek

Housing in Walnut Creek

$993K▲ 1.1% in a year Typical home value · Zillow

The typical Walnut Creek home is worth about $993,000, up 1.1% in a year, 30% above the California typical home.

A seller's market

Buyer’sBalancedSeller’s

Days on market18

Sale-to-list101.7%

Sold in May87

Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Walnut Creek

C⁻

Safety Grade C-

Walnut Creek reports more crime per resident than most U.S. towns we grade: about 81% report less.

Violent crime per 1,000

Walnut Creek 2.1

California 4.3

U.S. 3.3

Property crime per 1,000

Walnut Creek 24

California 18.2

U.S. 15.5

FBI crime data, 2025 · crimes reported to policeCrime & safety →

Health in Walnut Creek

A⁺

Health Grade A+

Healthier than 96% of U.S. towns on seven CDC estimates.

Compared with California

21better than CA·2worse

of 32 measures CDC estimates. The other 9 are too close to call.

Conditions 3▲ 2▼ 7 close Habits 3▲ 1 close Care 6▲ 1 close Mind 5▲ 0 close Everyday needs 4▲ 0 close

BetterToo close to callWorse

What stands out

6.8%Fewer adults facing food insecurityCA 17.9% · better 4.2%Fewer uninsured adultsCA 10.6% · better 10.7%More adults who have had cancerCA 6.4% · worse

Care nearby

John Muir Medical Center - Walnut Creek CampusWalnut Creek · 0.8 mi · ER

La Clinica MonumentConcord · 3.4 mi · sliding-scale fees

2 hospitals in Walnut Creek →

Primary careNo shortage

DentalNo shortage

Mental healthNo shortage

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Walnut Creek · CMS · HRSAHealth in Walnut Creek →

Natural hazards in Walnut Creek

Very high

Expected storm and flood damage is higher than in 92% of U.S. communities.

🏚️ Earthquakes🌊 Inland flooding

67Does Walnut Creek flood?paid flood claims since 1979 3Disasters that paid out herefederal disasters sent FEMA money to Walnut Creek MapWalnut Creek vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Walnut Creek →

Schools in Walnut Creek

All Walnut Creek schools →

School Grade B

The public schools Walnut Creek’s kids attend, from kindergarten through graduation, outperform 61% of California’s districts on state tests and graduation. Among towns with similar incomes, they sit near the middle.

#44Best public schoolsof 574 in CA

DistrictMt. Diablo UnifiedSchools22

Walnut Acres Elementary AElementary · Grades K–5 · 689 students Bancroft Elementary AElementary · Grades K–5 · 672 students Buena Vista ElementaryElementary · Grades K–5 · 495 students Valle Verde Elementary AElementary · Grades K–5 · 485 students Walnut Heights ElementaryElementary · Grades K–5 · 427 students Indian Valley ElementaryElementary · Grades K–5 · 355 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within CA. Ratings are from neighbors.