Walnut Creek ZIP Codes — Contra Costa County, CA

There are 4 unique ZIP codes in Walnut Creek, California. Area code: 341/510/925.

ZIP codes

35.95

sq mi land

0.01

sq mi water

341/510/925

area code

Walnut Creek, CA ZIP code map

About Walnut Creek, CA

Walnut Creek, California is a vibrant city located in the heart of Contra Costa County. Known for its charming downtown area and beautiful scenery, it is an appealing destination for both residents and visitors alike. With its range of amenities and a strong sense of community, Walnut Creek has become a sought-after place to live and work in the Bay Area.

Location & geography

Walnut Creek is situated in the eastern part of the San Francisco Bay Area, making it easily accessible to major highways. The city is bordered by neighboring communities such as Concord, approximately 5 miles to the north, and Lafayette, about 3 miles to the west. Covering a land area of 45.22 square miles and a minuscule water area of 0.01 square miles, the terrain features gentle rolling hills and a Mediterranean climate.

Community & economy

The character of Walnut Creek is defined by its family-friendly atmosphere and diverse population. The local economy is bolstered by a mix of industries, including retail, healthcare, and various professional services. Daily life in Walnut Creek revolves around community events, outdoor activities in its many parks, and a thriving arts scene.

Transportation

Walnut Creek is well-connected by major highways such as State Route 24 and Interstate 680, making commutes to nearby cities convenient. The nearest major airport is Oakland International Airport, located about 25 miles away. Public transportation is accessible through the Bay Area Rapid Transit (BART) system, which offers a direct route to San Francisco.

History

Walnut Creek was originally inhabited by Native American tribes and was later founded by European settlers in the mid-19th century. The city saw significant growth during the post-World War II era when it became a popular suburban area for those working in the nearby San Francisco Bay Area. Over the years, Walnut Creek has developed into a hub for shopping and dining, with notable events celebrating its rich history.

Did you know?

One surprising fact about Walnut Creek is that it is home to the Shadelands Ranch Historical Museum, which provides insights into the area's early history and development. Additionally, the city boasts an extensive network of trails, making it a popular destination for hikers and cyclists.

ZIP codes for Walnut Creek, CA (4)

ZIP code	City	County	Map
94595	Walnut Creek	Contra Costa	View map
94596	Walnut Creek	Contra Costa	View map
94597	Walnut Creek	Contra Costa	View map
94598	Walnut Creek	Contra Costa	View map

Demographics & statistics

91,136

Population

46.3

Median age

$141,869

Median household income

$83,183

Per capita income

$1,033,450

Median home value

$2,574

Median monthly rent

62.1%

Home ownership

5.5%

Poverty rate

4.6%

Unemployment

26,982

Housing units

69.6%

Bachelor's or higher

Age distribution

Male Female

2,066

Under 5

2,218

1,990

5–9

2,136

1,689

10–14

1,813

1,834

15–19

1,968

2,211

20–24

2,373

6,259

25–34

6,717

5,565

35–44

5,973

5,333

45–54

5,724

2,766

55–59

2,968

2,515

60–64

2,699

5,816

65–74

6,242

3,678

75–84

3,948

2,236

85+

2,399

← Male

Female →

Age summary

Group	Count	%
Under 18	14,634	15.7%
18 and over	76,502	84.4%
65 and over	24,319	28.8%
Median age	46.3 years

Race & ethnicity

White 61.7%

Asian 15.1%

Two or more races 9.8%

Hispanic or Latino 7.8%

Black or African American 2.6%

Other race 2.4%

American Indian / Alaska Native 0.3%

Native Hawaiian / Pacific Islander 0.3%

Group	Count	%
White	60,983	61.7%
Asian	14,905	15.1%
Two or more races	9,675	9.8%
Hispanic or Latino	7,673	7.8%
Black or African American	2,559	2.6%
Other race	2,409	2.4%
American Indian / Alaska Native	324	0.3%
Native Hawaiian / Pacific Islander	281	0.3%

Household income

Under $10k 3.2%

$10k–$15k 1.8%

$15k–$25k 3.2%

$25k–$35k 3.1%

$35k–$50k 7.5%

$50k–$75k 9.8%

$75k–$100k 9.7%

$100k–$150k 17.6%

$150k–$200k 12.7%

$200k+ 31.3%

Range	% of households
Under $10k	3.2%
$10k–$15k	1.8%
$15k–$25k	3.2%
$25k–$35k	3.1%
$35k–$50k	7.5%
$50k–$75k	9.8%
$75k–$100k	9.7%
$100k–$150k	17.6%
$150k–$200k	12.7%
$200k+	31.3%
Median income	$141,869

Housing

Home values

Under $50k 1.0%

$50k–$100k 0.4%

$100k–$150k 0.3%

$150k–$200k 0.3%

$200k–$300k 1.3%

$300k–$500k 10.2%

$500k–$1M 34.2%

$1M+ 52.5%

Housing overview

Metric	Value
Median home value	$1,033,450
Median rent / month	$2,574
Owner occupied	62.1%
Renter occupied	37.9%
Vacant	3.4%
Single-family detached	39.8%
Large apartment buildings	25.1%
Mobile homes	0.3%
Median rooms	5.0
Avg household size (owned)	2.29

Year built

Era	%
2020 or later	0.2%
2010–2019	4.5%
2000–2009	5.1%
1990–1999	9.4%
1980–1989	14.8%
1970–1979	25.4%
1960–1969	21.4%
1950–1959	11.8%
1940–1949	4.8%
1939 or earlier	2.7%

Bedrooms

Size	% of units
No bedroom (studio)	5.5%
1 bedroom	16.1%
2 bedrooms	33.7%
3 bedrooms	21.5%
4 bedrooms	18.0%
5+ bedrooms	5.3%

Vehicles per household

Vehicles	% of households
No vehicle	6.5%
1 vehicle	42.2%
2 vehicles	35.6%
3 or more	15.7%

Heating fuel

Fuel type	%
Utility gas	61.0%
Electricity	36.4%
Propane / LP gas	1.0%
Fuel oil	0.1%
Wood	0.2%
Solar	0.7%
No fuel used	0.6%

Households & families

Household type	Count	%
Married-couple family	19,659	47.3%
Cohabiting couple	2,717	6.4%
Male householder, no spouse	7,123	17.1%
Female householder, no spouse	11,959	29.3%
Households with children under 18	8,801	21.1%
Households with seniors (65+)	17,403	42.8%
Average household size	2.16

Marital status

Status	Male	Female
Never married	30.7%	26.2%
Married	56.7%	48.8%
Separated	1.5%	1.1%
Widowed	3.2%	11.3%
Divorced	8.0%	12.6%

Education

Less than 9th grade 1.1%

Some HS, no diploma 1.5%

HS graduate 8.5%

Some college, no degree 13.7%

Associate's degree 5.6%

Bachelor's degree 37.5%

Graduate / professional 32.1%

Metric	%
HS diploma or higher	97.4%
Bachelor's or higher	69.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	914	5.6%
Kindergarten	954	5.6%
Elementary school	5,923	36.1%
High school	3,585	21.8%
College / grad school	5,003	31.0%

Employment

Industry of employment

Professional & management 24.0%

Education & healthcare 21.8%

Finance & real estate 12.6%

Retail trade 9.0%

Arts, food & hospitality 6.7%

Construction 5.5%

Manufacturing 5.3%

Transportation & utilities 4.4%

Public administration 3.2%

Other services 3.1%

Information 2.9%

Wholesale trade 1.4%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	65.9%
Service	9.6%
Sales & office	17.4%
Natural resources & construction	2.4%
Production & transportation	4.8%

Employment type

Type	%
Private sector	78.0%
Government	11.9%
Self-employed	10.1%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	51.6%
Carpool	6.2%
Public transit	12.6%
Walk	2.4%
Other means	2.1%
Avg commute (minutes)	33.8

Poverty

All people 5.5%

Under 18 years 6.5%

18 and over 5.2%

Married-couple families 2.3%

Female-led households 7.6%

Income support

Source	% of households
Social Security	37.8%
Retirement income	31.4%
Supplemental Security	2.9%
Cash public assistance	2.4%
Food stamps / SNAP	2.4%

Health indicators

Condition	%
High blood pressure	28.1%
High cholesterol	31.4%
Heart disease	5.9%
Stroke	2.6%
Asthma	8.5%
Arthritis	24.3%
Kidney disease	2.8%
Pulmonary disease	4.6%
Cancer	8.7%

Behavior / access	%
Binge drinking	16.5%
No physical activity	14.3%
Less than 7 hrs sleep	26.3%
Fair or poor health	9.3%
Poor mental health	10.8%
Poor physical health	7.5%
No health insurance	5.8%
Visited doctor (checkup)	69.0%
Visited dentist	77.8%
Cholesterol screening	94.3%
Teeth loss	5.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	4,320	5.9%

Disability	%
Any disability	12.2%
Under 18	2.5%
18–64 years	5.6%
65 and over	28.4%

Health insurance coverage

Type	%
Private insurance	83.7%
Public insurance	34.8%
Uninsured under 19	0.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	86,852	95.4%
Spanish	7,270	8.2%
Other Indo-European	1,125	1.3%
Asian & Pacific Islander	2,579	2.8%
Other languages	3,060	3.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	70,797	78.1%
Born in same state	68,998	76.1%
Born in different state	44,064	48.1%
Foreign born	1,799	2.0%
Naturalized citizen	20,339	22.0%
Not a US citizen	13,063	66.1%

Ancestry

Ancestry	Count	%
French	11,829	13%
Italian	9,930	10.9%
Arab	2,651	2.9%
Polish	1,870	2.1%
English	1,213	1.3%

Ancestry	Count	%
Dutch	859	0.9%
Irish	337	0.4%
German	310	0.3%
Norwegian	263	0.3%

Technology access

Metric	% of households
Computer access	46.3%
Internet access	97.8%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Walnut Creek, CA have?

Walnut Creek, CA has 4 ZIP codes: 94595, 94596, 94597, and 94598. Each ZIP code serves a distinct delivery area within the city and surrounding region.