94596 ZIP Code — Walnut Creek, CA

Contra Costa County, California

ZIP code 94596 is located in Walnut Creek, California, within Contra Costa County. It covers approximately 6.06 square miles and serves a population of 23,795 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 341/510/925.

About ZIP code 94596

The housing stock consists of a significant share of large multi-unit buildings. Most homes were built in the 1970s, giving the area an established character. Median home value is $1,241,200. Owner-occupancy sits near the national average at 45%.

The gap between median ($135,422) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 34 minutes is near the national average. Remote work is prevalent — 23% of workers work from home.

Educational attainment is high — 71% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 94596 reflects a community defined by a highly educated population and a high rate of remote workers.

23,795

population

6.06

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

94596 ZIP code map

Cities in ZIP code 94596

Below are the cities the US Postal Service accepts for ZIP code 94596. Using any city not on this list may result in mail delivery delays.

City	Status
Walnut Creek	Preferred

Nearby ZIP codes

94595 Walnut Creek (2.4 mi) 94595 Walnut Creek (2.4 mi) 94598 Walnut Creek (2.4 mi) 94597 Walnut Creek (2.8 mi) 94597 Walnut Creek (2.8 mi) 94507 Alamo (3.6 mi) 94549 Lafayette (3.8 mi) 94518 Concord (4.4 mi) 94523 Pleasant Hill (4.9 mi) 94556 Moraga (5.2 mi) 94526 Danville (5.8 mi) 94529 Concord (6 mi)

Demographics updated 05/2026

Population
Total population	23,795
Population density	3,927 / sq mi
State FIPS	06
County FIPS	013

Geography
Land area	6.06 sq mi
Water area	0.00 sq mi
Latitude	37.8914
Longitude	-122.0358
Timezone	Pacific (PT)
Area code	341/510/925

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	18.6%	23.2%	32.6%
$50k – $100k	23.6%	25.1%	27.7%
$100k – $200k	36.0%	31.3%	26.4%
Over $200k	21.8%	20.4%	13.3%

Demographics & statistics

23,795

Population

3,927

People per sq mi

38.0

Median age

$135,422

Median household income

$82,889

Per capita income

$1,241,200

Median home value

$2,420

Median monthly rent

45.1%

Home ownership

6.0%

Poverty rate

4.6%

Unemployment

5,285

Housing units

70.9%

Bachelor's or higher

Age distribution

Male Female

527

Under 5

535

498

5–9

505

444

10–14

451

601

15–19

610

861

20–24

875

2,480

25–34

2,518

1,481

35–44

1,503

1,475

45–54

1,497

788

55–59

801

630

60–64

640

1,190

65–74

1,209

617

75–84

626

215

85+

218

← Male

Female →

Age summary

Group	Count	%
Under 18	3,772	15.9%
18 and over	20,023	84.1%
65 and over	4,075	17.1%
Median age	38.0 years

Race & ethnicity

White 65.9%

Asian 12.3%

Two or more races 8.9%

Hispanic or Latino 7.6%

Other race 2.8%

Black or African American 2.1%

American Indian / Alaska Native 0.2%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	16,976	65.9%
Asian	3,179	12.3%
Two or more races	2,303	8.9%
Hispanic or Latino	1,948	7.6%
Other race	710	2.8%
Black or African American	549	2.1%
American Indian / Alaska Native	53	0.2%
Native Hawaiian / Pacific Islander	25	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	18.6%	23.2%	32.6%
$50k – $100k	23.6%	25.1%	27.7%
$100k – $200k	36.0%	31.3%	26.4%
Over $200k	21.8%	20.4%	13.3%

Under $10k 3.4%

$10k–$15k 0.9%

$15k–$25k 1.9%

$25k–$35k 3.1%

$35k–$50k 4.8%

$50k–$75k 9.2%

$75k–$100k 11.6%

$100k–$150k 22.1%

$150k–$200k 13.0%

$200k+ 29.9%

Range	% of households
Under $10k	3.4%
$10k–$15k	0.9%
$15k–$25k	1.9%
$25k–$35k	3.1%
$35k–$50k	4.8%
$50k–$75k	9.2%
$75k–$100k	11.6%
$100k–$150k	22.1%
$150k–$200k	13.0%
$200k+	29.9%
Median income	$135,422

Housing

Home values

Under $50k 2.3%

$150k–$200k 0.2%

$200k–$300k 0.2%

$300k–$500k 9.5%

$500k–$1M 24.6%

$1M+ 63.2%

Housing overview

Metric	Value
Median home value	$1,241,200
Median rent / month	$2,420
Owner occupied	45.1%
Renter occupied	54.9%
Vacant	4.0%
Single-family detached	33.7%
Large apartment buildings	48.2%
Mobile homes	0.0%
Median rooms	4.2
Avg household size (owned)	2.55

Year built

Era	%
2020 or later	0.4%
2010–2019	8.8%
2000–2009	7.0%
1990–1999	5.0%
1980–1989	12.2%
1970–1979	26.6%
1960–1969	19.8%
1950–1959	13.0%
1940–1949	4.0%
1939 or earlier	3.2%

Bedrooms

Size	% of units
No bedroom (studio)	9.6%
1 bedroom	26.0%
2 bedrooms	27.9%
3 bedrooms	14.5%
4 bedrooms	15.8%
5+ bedrooms	6.2%

Vehicles per household

Vehicles	% of households
No vehicle	7.2%
1 vehicle	43.9%
2 vehicles	32.3%
3 or more	16.7%

Heating fuel

Fuel type	%
Utility gas	55.8%
Electricity	41.9%
Propane / LP gas	0.7%
Fuel oil	0.2%
Wood	0.1%
Solar	0.5%
No fuel used	0.7%

Households & families

Household type	Count	%
Married-couple family	5,081	47.3%
Cohabiting couple	850	7.9%
Male householder, no spouse	2,054	19.1%
Female householder, no spouse	2,753	25.6%
Households with children under 18	2,359	22.0%
Households with seniors (65+)	2,828	26.3%
Average household size	2.21

Marital status

Status	Male	Female
Never married	38.1%	33.5%
Married	52.8%	50.2%
Separated	1.3%	1.2%
Widowed	1.6%	6.1%
Divorced	6.2%	9.1%

Education

Less than 9th grade 1.3%

Some HS, no diploma 1.4%

HS graduate 7.6%

Some college, no degree 13.6%

Associate's degree 5.3%

Bachelor's degree 37.3%

Graduate / professional 33.5%

Metric	%
HS diploma or higher	97.4%
Bachelor's or higher	70.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	197	4.3%
Kindergarten	218	4.7%
Elementary school	1,511	32.7%
High school	1,084	23.5%
College / grad school	1,608	34.8%

Employment

Industry of employment

Professional & management 24.1%

Education & healthcare 19.3%

Finance & real estate 13.5%

Retail trade 10.4%

Arts, food & hospitality 6.6%

Construction 6.0%

Manufacturing 5.3%

Other services 4.9%

Transportation & utilities 3.4%

Information 2.6%

Public administration 2.3%

Wholesale trade 1.5%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	62.7%
Service	9.1%
Sales & office	20.7%
Natural resources & construction	3.8%
Production & transportation	3.7%

Employment type

Type	%
Private sector	80.0%
Government	9.5%
Self-employed	10.1%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	50.7%
Carpool	6.7%
Public transit	13.9%
Walk	4.7%
Work from home	22.8%
Other means	1.2%
Avg commute (minutes)	34.3

Poverty

All people 6.0%

Under 18 years 8.8%

18 and over 5.4%

Married-couple families 3.1%

Female-led households 17.6%

Income support

Source	% of households
Social Security	22.3%
Retirement income	23.4%
Supplemental Security	2.5%
Cash public assistance	3.2%
Food stamps / SNAP	2.3%

Health indicators

Condition	%
Obesity	25.2%
High blood pressure	23.1%
High cholesterol	27.4%
Diabetes	6.7%
Heart disease	4.3%
Stroke	1.9%
Asthma	8.8%
Arthritis	19.2%
Kidney disease	2.1%
Pulmonary disease	3.8%
Cancer	6.3%

Behavior / access	%
Smoking	7.5%
Binge drinking	19.7%
No physical activity	13.1%
Less than 7 hrs sleep	27.7%
Depression	16.2%
Fair or poor health	8.3%
Poor mental health	12.0%
Poor physical health	6.8%
No health insurance	6.5%
Visited doctor (checkup)	64.7%
Visited dentist	76.5%
Cholesterol screening	92.6%
Teeth loss	5.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	821	4.1%

Disability	%
Any disability	8.9%
Under 18	3.5%
18–64 years	6.5%
65 and over	23.2%

Health insurance coverage

Type	%
Private insurance	83.8%
Public insurance	24.1%
No insurance	3.6%
Uninsured under 19	1.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	22,733	95.5%
Spanish	1,865	8.2%
Other Indo-European	446	2.0%
Asian & Pacific Islander	593	2.6%
Other languages	737	3.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	18,790	79.0%
Born in same state	18,487	77.7%
Born in different state	12,423	52.2%
Foreign born	303	1.3%
Naturalized citizen	5,005	21.0%
Not a US citizen	2,355	47.1%

Ancestry

Ancestry	Count	%
French	2,940	12.4%
Italian	2,683	11.3%
Arab	737	3.1%
Polish	616	2.6%
Dutch	282	1.2%

Ancestry	Count	%
English	221	0.9%
Norwegian	98	0.4%
Irish	90	0.4%
German	51	0.2%

Technology access

Metric	% of households
Computer access	45.1%
Internet access	98.2%

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

Frequently asked questions about ZIP code 94596

What city is ZIP code 94596 in?

ZIP code 94596 is primarily assigned to Walnut Creek, California.

What county is ZIP code 94596 in?

ZIP code 94596 falls within Contra Costa County, California.

How educated is the population of ZIP code 94596?

71% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the median household income in ZIP code 94596?

The median household income in ZIP code 94596 is $135,422, above the national median of ~$75,000.

What is the typical home value in ZIP code 94596?

The median home value in ZIP code 94596 is $1,241,200.

What is the population of ZIP code 94596?

ZIP code 94596 has an estimated population of 23,795 residents, with a density of 3,925 people per square mile.

What timezone is ZIP code 94596 in?

ZIP code 94596 observes the PST timezone.