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California ZIP Codes
Solano County
Fairfield, CA
94534
94534 ZIP Code — Fairfield, CA
Solano County, California
ZIP code 94534 is located in
Fairfield ,
California ,
within Solano County .
It covers approximately 77.55 square miles and serves a population of
41,395 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 707 .
About ZIP code 94534
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $675,700. Owner-occupancy is high at 76%, well above the national average.
The gap between median ($132,382) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average. 31% 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 32 minutes is near the national average.
Educational attainment is near the national average, with 40% of residents holding a bachelor's degree or higher.
Overall, ZIP code 94534 reflects a community defined by high homeownership and a significant Social Security-dependent population.
94534 ZIP code map
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Cities in ZIP code 94534
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Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
41,395
Population density
534 / sq mi
State FIPS
06
County FIPS
095
Geography
Land area
77.55 sq mi
Water area
1.30 sq mi
Latitude
38.2250
Longitude
-122.1245
Timezone
Pacific (PT)
Area code
707
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
14.8%
27.4%
32.6%
$50k – $100k
26.4%
31.3%
27.7%
$100k – $200k
39.5%
31.2%
26.4%
Over $200k
19.2%
10.1%
13.3%
Demographics & statistics
$132,382
Median household income
$675,700
Median home value
$2,592
Median monthly rent
40.3%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 9,441 22.8%
18 and over 31,954 77.2%
65 and over 7,308 17.7%
Median age 40.5 years
Race & ethnicity
Black or African American
9.8%
Native Hawaiian / Pacific Islander
1.5%
American Indian / Alaska Native
0.2%
Group Count %
White 18,646 41%
Asian 10,415 22.9%
Two or more races 5,040 11.1%
Black or African American 4,438 9.8%
Hispanic or Latino 4,081 9%
Other race 2,092 4.6%
Native Hawaiian / Pacific Islander 685 1.5%
American Indian / Alaska Native 79 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
14.8%
27.4%
32.6%
$50k – $100k
26.4%
31.3%
27.7%
$100k – $200k
39.5%
31.2%
26.4%
Over $200k
19.2%
10.1%
13.3%
Range % of households
Under $10k 2.7%
$10k–$15k 0.3%
$15k–$25k 1.9%
$25k–$35k 3.4%
$35k–$50k 4.7%
$50k–$75k 8.6%
$75k–$100k 12.0%
$100k–$150k 22.6%
$150k–$200k 17.0%
$200k+ 26.7%
Median income $132,382
Housing
Housing overview
Metric Value
Median home value $675,700
Median rent / month $2,592
Owner occupied 76.4%
Renter occupied 23.6%
Vacant 4.2%
Single-family detached 84.1%
Large apartment buildings 6.5%
Mobile homes 1.1%
Median rooms 6.6
Avg household size (owned) 3.13
Year built
Era %
2020 or later 0.0%
2010–2019 12.4%
2000–2009 23.3%
1990–1999 22.8%
1980–1989 24.0%
1970–1979 9.1%
1960–1969 4.3%
1950–1959 1.9%
1940–1949 0.8%
1939 or earlier 1.3%
Bedrooms
Size % of units
No bedroom (studio) 1.6%
1 bedroom 5.1%
2 bedrooms 12.0%
3 bedrooms 33.7%
4 bedrooms 34.5%
5+ bedrooms 13.2%
Vehicles per household
Vehicles % of households
No vehicle 3.0%
1 vehicle 18.7%
2 vehicles 41.5%
3 or more 36.9%
Heating fuel
Fuel type %
Utility gas 64.4%
Electricity 29.8%
Propane / LP gas 2.6%
Wood 1.1%
Solar 2.0%
Households & families
Household type Count %
Married-couple family 8,654 63.9%
Cohabiting couple 995 7.3%
Male householder, no spouse 1,560 11.5%
Female householder, no spouse 2,340 17.3%
Households with children under 18 4,805 35.5%
Households with seniors (65+) 4,931 36.4%
Average household size 3.05
Marital status
Status Male Female
Never married 28.5% 26.0%
Married 61.9% 56.1%
Separated 0.8% 1.4%
Widowed 2.1% 6.5%
Divorced 6.7% 10.1%
Education
Some college, no degree
26.0%
Graduate / professional
14.2%
Metric %
HS diploma or higher 94.5%
Bachelor's or higher 40.3%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 616 5.7%
Kindergarten 356 3.3%
Elementary school 4,423 41.0%
High school 2,096 19.4%
College / grad school 3,308 30.6%
Employment
Industry of employment
Education & healthcare
24.0%
Professional & management
12.6%
Public administration
8.7%
Transportation & utilities
7.6%
Arts, food & hospitality
7.6%
Finance & real estate
7.2%
Agriculture & mining
1.4%
Occupation
Category %
Management, business & arts 46.3%
Service 13.8%
Sales & office 21.8%
Natural resources & construction 7.1%
Production & transportation 11.0%
Employment type
Type %
Private sector 73.8%
Government 19.0%
Self-employed 6.9%
Unpaid family workers 0.3%
Commute
Method %
Drive alone 71.6%
Carpool 9.7%
Public transit 1.4%
Walk 0.7%
Work from home 14.9%
Other means 1.5%
Avg commute (minutes) 32.4
Poverty
Married-couple families
1.9%
Female-led households
10.1%
Income support
Source % of households
Social Security 31.2%
Retirement income 31.2%
Supplemental Security 5.4%
Cash public assistance 2.1%
Food stamps / SNAP 3.4%
Health indicators
Condition %
Obesity 27.1%
High blood pressure 25.5%
High cholesterol 29.1%
Diabetes 8.6%
Heart disease 4.5%
Stroke 2.2%
Asthma 9.1%
Arthritis 18.9%
Kidney disease 2.2%
Pulmonary disease 4.3%
Cancer 5.7%
Behavior / access %
Smoking 9.7%
Binge drinking 17.6%
No physical activity 16.7%
Less than 7 hrs sleep 32.8%
Depression 16.0%
Fair or poor health 10.3%
Poor mental health 12.9%
Poor physical health 7.9%
No health insurance 8.5%
Visited doctor (checkup) 68.5%
Visited dentist 70.9%
Cholesterol screening 92.7%
Teeth loss 7.1%
Veterans & disability
Veterans Count %
Civilian veterans 2,757 8.7%
Disability %
Any disability 12.0%
Under 18 4.4%
18–64 years 8.8%
65 and over 32.4%
Health insurance coverage
Type %
Private insurance 83.9%
Public insurance 29.2%
No insurance 2.7%
Uninsured under 19 1.5%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 38,787 93.7%
Spanish 2,825 7.3%
Other Indo-European 621 1.6%
Asian & Pacific Islander 423 1.1%
Other languages 1,781 4.6%
Place of birth & citizenship
Origin Count %
Native born (US) 33,598 81.2%
Born in same state 32,555 78.6%
Born in different state 25,172 60.8%
Foreign born 1,043 2.5%
Naturalized citizen 7,797 18.8%
Not a US citizen 5,759 73.9%
Ancestry
Ancestry Count %
Italian 2,860 6.9%
French 2,722 6.6%
Arab 1,434 3.5%
Polish 498 1.2%
English 248 0.6%
Ancestry Count %
Norwegian 208 0.5%
Dutch 166 0.4%
Irish 117 0.3%
German 97 0.2%
Technology access
Metric % of households
Computer access 32.7%
Internet access 96.9%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 94534
What city is ZIP code 94534 in?
ZIP code 94534 is primarily assigned to Fairfield, California.
What county is ZIP code 94534 in?
ZIP code 94534 falls within Solano County, California.
What is the median household income in ZIP code 94534?
The median household income in ZIP code 94534 is $132,382, above the national median of ~$75,000.
What is the typical home value in ZIP code 94534?
The median home value in ZIP code 94534 is $675,700.
What is the population of ZIP code 94534?
ZIP code 94534 has an estimated population of 41,395 residents, with a density of 534 people per square mile.
What timezone is ZIP code 94534 in?
ZIP code 94534 observes the PST timezone.
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