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California ZIP Codes
Contra Costa County
Walnut Creek, CA
94595
94595 ZIP Code — Walnut Creek, CA
Contra Costa County, California
ZIP code 94595 is located in
Walnut Creek ,
California ,
within Contra Costa County .
It covers approximately 5.22 square miles and serves a population of
17,341 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 341/510/925 .
About ZIP code 94595
The housing stock consists of a mix of housing types. Most homes were built in the 1960s, giving the area an established character. Median home value is $739,900. Owner-occupancy is high at 81%, well above the national average.
The gap between median ($91,734) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 4% is below the national average. 68% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average. Remote work is prevalent — 27% of workers work from home.
Educational attainment is high — 67% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Overall, ZIP code 94595 reflects a community defined by a highly educated population, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.
94595 ZIP code map
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Cities in ZIP code 94595
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
17,341
Population density
3,322 / sq mi
State FIPS
06
County FIPS
013
Geography
Land area
5.22 sq mi
Water area
0.00 sq mi
Latitude
37.8700
Longitude
-122.0705
Timezone
Pacific (PT)
Area code
341/510/925
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
33.6%
23.2%
32.6%
$50k – $100k
26.0%
25.1%
27.7%
$100k – $200k
23.3%
31.3%
26.4%
Over $200k
17.1%
20.4%
13.3%
Demographics & statistics
$91,734
Median household income
$739,900
Median home value
$2,411
Median monthly rent
67.3%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 1,849 10.7%
18 and over 15,492 89.3%
65 and over 9,915 57.2%
Median age 68.9 years
Race & ethnicity
Black or African American
1.9%
American Indian / Alaska Native
0.5%
Native Hawaiian / Pacific Islander
0.1%
Group Count %
White 13,057 70.7%
Asian 2,052 11.1%
Two or more races 1,418 7.7%
Hispanic or Latino 1,122 6.1%
Black or African American 359 1.9%
Other race 349 1.9%
American Indian / Alaska Native 88 0.5%
Native Hawaiian / Pacific Islander 18 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
33.6%
23.2%
32.6%
$50k – $100k
26.0%
25.1%
27.7%
$100k – $200k
23.3%
31.3%
26.4%
Over $200k
17.1%
20.4%
13.3%
Range % of households
Under $10k 3.0%
$10k–$15k 1.6%
$15k–$25k 5.4%
$25k–$35k 5.6%
$35k–$50k 11.6%
$50k–$75k 13.6%
$75k–$100k 13.1%
$100k–$150k 17.8%
$150k–$200k 7.8%
$200k+ 20.5%
Median income $91,734
Housing
Housing overview
Metric Value
Median home value $739,900
Median rent / month $2,411
Owner occupied 80.5%
Renter occupied 19.5%
Vacant 4.8%
Single-family detached 27.1%
Large apartment buildings 14.9%
Mobile homes 0.0%
Median rooms 5.0
Avg household size (owned) 1.78
Year built
Era %
2020 or later 0.0%
2010–2019 0.6%
2000–2009 2.8%
1990–1999 11.5%
1980–1989 11.3%
1970–1979 23.0%
1960–1969 28.0%
1950–1959 13.5%
1940–1949 6.7%
1939 or earlier 2.6%
Bedrooms
Size % of units
No bedroom (studio) 2.4%
1 bedroom 11.4%
2 bedrooms 57.9%
3 bedrooms 17.2%
4 bedrooms 8.9%
5+ bedrooms 2.2%
Vehicles per household
Vehicles % of households
No vehicle 8.8%
1 vehicle 53.9%
2 vehicles 28.8%
3 or more 8.5%
Heating fuel
Fuel type %
Utility gas 56.8%
Electricity 40.5%
Propane / LP gas 0.5%
Fuel oil 0.3%
Wood 0.3%
Solar 1.3%
No fuel used 0.3%
Households & families
Household type Count %
Married-couple family 3,606 37.6%
Cohabiting couple 267 2.8%
Male householder, no spouse 1,233 12.9%
Female householder, no spouse 4,480 46.7%
Households with children under 18 1,178 12.3%
Households with seniors (65+) 7,093 74.0%
Average household size 1.75
Marital status
Status Male Female
Never married 22.6% 14.0%
Married 60.9% 41.2%
Separated 1.3% 1.2%
Widowed 5.8% 24.2%
Divorced 9.4% 19.4%
Education
Some college, no degree
14.5%
Graduate / professional
31.8%
Metric %
HS diploma or higher 97.9%
Bachelor's or higher 67.3%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 120 5.9%
Kindergarten 87 4.3%
Elementary school 763 37.6%
High school 433 21.3%
College / grad school 626 30.9%
Employment
Industry of employment
Education & healthcare
24.5%
Professional & management
22.7%
Finance & real estate
13.3%
Arts, food & hospitality
6.2%
Transportation & utilities
4.0%
Public administration
1.4%
Agriculture & mining
0.3%
Occupation
Category %
Management, business & arts 66.0%
Service 11.0%
Sales & office 17.6%
Natural resources & construction 1.5%
Production & transportation 3.9%
Employment type
Type %
Private sector 76.3%
Government 11.0%
Self-employed 12.8%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 59.4%
Carpool 4.1%
Public transit 7.2%
Walk 1.3%
Work from home 26.6%
Other means 1.3%
Avg commute (minutes) 28.9
Poverty
Married-couple families
1.2%
Female-led households
0.0%
Income support
Source % of households
Social Security 67.7%
Retirement income 49.8%
Supplemental Security 3.7%
Cash public assistance 1.1%
Food stamps / SNAP 0.8%
Health indicators
Condition %
Obesity 22.0%
High blood pressure 38.6%
High cholesterol 39.0%
Diabetes 11.1%
Heart disease 9.7%
Stroke 4.1%
Asthma 8.1%
Arthritis 35.5%
Kidney disease 4.3%
Pulmonary disease 6.5%
Cancer 14.1%
Behavior / access %
Smoking 4.9%
Binge drinking 10.4%
No physical activity 16.9%
Less than 7 hrs sleep 23.0%
Depression 13.0%
Fair or poor health 11.5%
Poor mental health 8.5%
Poor physical health 9.1%
No health insurance 5.1%
Visited doctor (checkup) 77.7%
Visited dentist 79.7%
Cholesterol screening 97.1%
Teeth loss 5.9%
Veterans & disability
Veterans Count %
Civilian veterans 1,417 9.1%
Disability %
Any disability 20.5%
Under 18 0.4%
18–64 years 4.6%
65 and over 33.5%
Health insurance coverage
Type %
Private insurance 80.4%
Public insurance 59.8%
No insurance 0.3%
Uninsured under 19 0.4%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 16,799 96.9%
Spanish 874 5.2%
Other Indo-European 85 0.5%
Asian & Pacific Islander 156 0.9%
Other languages 611 3.6%
Place of birth & citizenship
Origin Count %
Native born (US) 14,368 82.9%
Born in same state 14,000 80.7%
Born in different state 7,707 44.4%
Foreign born 368 2.1%
Naturalized citizen 2,973 17.1%
Not a US citizen 2,482 83.5%
Ancestry
Ancestry Count %
French 2,937 16.9%
Italian 1,986 11.5%
Polish 465 2.7%
Arab 432 2.5%
English 412 2.4%
Ancestry Count %
Dutch 137 0.8%
German 75 0.4%
Irish 67 0.4%
Norwegian 67 0.4%
Technology access
Metric % of households
Computer access 55.3%
Internet access 95.6%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 94595
What city is ZIP code 94595 in?
ZIP code 94595 is primarily assigned to Walnut Creek, California.
What county is ZIP code 94595 in?
ZIP code 94595 falls within Contra Costa County, California.
Does ZIP code 94595 have an older population?
57% of residents in ZIP code 94595 are 65 or older, above the national average of ~17%.
Does ZIP code 94595 have a large retiree population?
68% of households in ZIP code 94595 receive Social Security income, suggesting a significant retiree or disability population.
How educated is the population of ZIP code 94595?
67% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
Is ZIP code 94595 mostly owner-occupied?
81% of occupied units in ZIP code 94595 are owner-occupied, well above the national average.
What timezone is ZIP code 94595 in?
ZIP code 94595 observes the PST timezone.
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