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California ZIP Codes
Alameda County
Hayward, CA
94542
94542 ZIP Code — Hayward, CA
Alameda County, California
ZIP code 94542 is located in
Hayward ,
California ,
within Alameda County .
It covers approximately 8.65 square miles and serves a population of
16,188 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 510/341 .
About ZIP code 94542
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $1,053,100. Owner-occupancy sits near the national average at 71%.
The gap between median ($132,747) and mean household income suggests income inequality — a small number of higher earners pull the average up.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 37 minutes suggests many residents work outside the immediate area.
Educational attainment is high — 48% of residents hold a bachelor's degree or higher, well above the national average of 33%.
94542 ZIP code map
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Cities in ZIP code 94542
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
16,188
Population density
1,871 / sq mi
State FIPS
06
County FIPS
001
Geography
Land area
8.65 sq mi
Water area
0.00 sq mi
Latitude
37.6535
Longitude
-122.0326
Timezone
Pacific (PT)
Area code
510/341
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
16.2%
24.6%
32.6%
$50k – $100k
23.0%
23.2%
27.7%
$100k – $200k
34.0%
30.5%
26.4%
Over $200k
26.7%
21.7%
13.3%
Demographics & statistics
$132,747
Median household income
$1,053,100
Median home value
$2,424
Median monthly rent
48.0%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 2,550 15.8%
18 and over 13,638 84.2%
65 and over 2,293 14.2%
Median age 38.5 years
Race & ethnicity
Black or African American
8.9%
American Indian / Alaska Native
1.1%
Native Hawaiian / Pacific Islander
0.9%
Group Count %
White 6,081 32.3%
Asian 3,839 20.4%
Hispanic or Latino 2,653 14.1%
Two or more races 2,280 12.1%
Other race 1,930 10.2%
Black or African American 1,679 8.9%
American Indian / Alaska Native 212 1.1%
Native Hawaiian / Pacific Islander 167 0.9%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
16.2%
24.6%
32.6%
$50k – $100k
23.0%
23.2%
27.7%
$100k – $200k
34.0%
30.5%
26.4%
Over $200k
26.7%
21.7%
13.3%
Range % of households
Under $10k 3.2%
$10k–$15k 0.7%
$15k–$25k 0.4%
$25k–$35k 2.6%
$35k–$50k 5.0%
$50k–$75k 12.6%
$75k–$100k 8.4%
$100k–$150k 24.1%
$150k–$200k 10.3%
$200k+ 32.9%
Median income $132,747
Housing
Housing overview
Metric Value
Median home value $1,053,100
Median rent / month $2,424
Owner occupied 70.7%
Renter occupied 29.3%
Vacant 6.2%
Single-family detached 71.8%
Large apartment buildings 12.9%
Mobile homes 0.3%
Median rooms 5.9
Avg household size (owned) 2.93
Year built
Era %
2020 or later 0.0%
2010–2019 9.0%
2000–2009 7.1%
1990–1999 10.4%
1980–1989 16.2%
1970–1979 23.6%
1960–1969 12.0%
1950–1959 10.9%
1940–1949 8.8%
1939 or earlier 2.1%
Bedrooms
Size % of units
No bedroom (studio) 1.5%
1 bedroom 8.0%
2 bedrooms 25.2%
3 bedrooms 24.5%
4 bedrooms 30.1%
5+ bedrooms 10.7%
Vehicles per household
Vehicles % of households
No vehicle 1.1%
1 vehicle 25.5%
2 vehicles 38.7%
3 or more 34.7%
Heating fuel
Fuel type %
Utility gas 74.2%
Electricity 19.8%
Propane / LP gas 1.2%
Solar 2.4%
No fuel used 2.4%
Households & families
Household type Count %
Married-couple family 3,016 60.2%
Cohabiting couple 419 8.4%
Male householder, no spouse 772 15.4%
Female householder, no spouse 806 16.1%
Households with children under 18 1,591 31.7%
Households with seniors (65+) 1,549 30.9%
Average household size 2.94
Marital status
Status Male Female
Never married 47.8% 37.8%
Married 47.1% 49.9%
Separated 1.7% 1.1%
Widowed 0.6% 5.3%
Divorced 2.7% 5.8%
Education
Some college, no degree
19.0%
Graduate / professional
18.5%
Metric %
HS diploma or higher 87.5%
Bachelor's or higher 48.0%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 51 1.1%
Kindergarten 207 4.4%
Elementary school 1,124 23.6%
High school 524 11.0%
College / grad school 2,852 59.9%
Employment
Industry of employment
Education & healthcare
23.4%
Professional & management
17.6%
Arts, food & hospitality
8.6%
Finance & real estate
7.2%
Transportation & utilities
6.6%
Public administration
2.4%
Occupation
Category %
Management, business & arts 49.4%
Service 10.9%
Sales & office 24.4%
Natural resources & construction 5.0%
Production & transportation 10.3%
Employment type
Type %
Private sector 79.6%
Government 12.6%
Self-employed 7.6%
Unpaid family workers 0.2%
Commute
Method %
Drive alone 62.5%
Carpool 14.4%
Public transit 5.9%
Walk 2.3%
Work from home 14.1%
Other means 0.8%
Avg commute (minutes) 37.1
Poverty
Married-couple families
0.5%
Female-led households
28.8%
Income support
Source % of households
Social Security 20.5%
Retirement income 21.9%
Supplemental Security 4.4%
Cash public assistance 2.3%
Food stamps / SNAP 2.5%
Health indicators
Condition %
Obesity 24.0%
High blood pressure 23.6%
High cholesterol 26.0%
Diabetes 7.7%
Heart disease 3.9%
Stroke 2.0%
Asthma 9.3%
Arthritis 15.8%
Kidney disease 2.0%
Pulmonary disease 3.9%
Cancer 4.6%
Behavior / access %
Smoking 9.6%
Binge drinking 17.0%
No physical activity 16.0%
Less than 7 hrs sleep 29.3%
Depression 14.8%
Fair or poor health 10.6%
Poor mental health 13.8%
Poor physical health 7.4%
No health insurance 10.1%
Visited doctor (checkup) 65.1%
Visited dentist 65.1%
Cholesterol screening 90.0%
Teeth loss 7.6%
Veterans & disability
Veterans Count %
Civilian veterans 464 3.4%
Disability %
Any disability 6.8%
Under 18 2.1%
18–64 years 4.4%
65 and over 24.0%
Health insurance coverage
Type %
Private insurance 79.7%
Public insurance 26.2%
No insurance 3.9%
Uninsured under 19 2.3%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 15,535 96.0%
Spanish 2,602 16.7%
Other Indo-European 1,162 7.5%
Asian & Pacific Islander 457 2.9%
Other languages 886 5.7%
Place of birth & citizenship
Origin Count %
Native born (US) 11,122 68.7%
Born in same state 10,715 66.2%
Born in different state 8,347 51.6%
Foreign born 407 2.5%
Naturalized citizen 5,066 31.3%
Not a US citizen 2,971 58.6%
Ancestry
Ancestry Count %
French 780 4.8%
Italian 723 4.5%
Arab 271 1.7%
Polish 209 1.3%
Ancestry Count %
Dutch 103 0.6%
English 84 0.5%
German 43 0.3%
Irish 6 0%
Technology access
Metric % of households
Computer access 31.0%
Internet access 98.7%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 94542
What city is ZIP code 94542 in?
ZIP code 94542 is primarily assigned to Hayward, California.
What county is ZIP code 94542 in?
ZIP code 94542 falls within Alameda County, California.
How educated is the population of ZIP code 94542?
48% 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 94542?
The median household income in ZIP code 94542 is $132,747, above the national median of ~$75,000.
What is the typical home value in ZIP code 94542?
The median home value in ZIP code 94542 is $1,053,100.
What is the population of ZIP code 94542?
ZIP code 94542 has an estimated population of 16,188 residents, with a density of 1,871 people per square mile.
What timezone is ZIP code 94542 in?
ZIP code 94542 observes the PST timezone.
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