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California ZIP Codes
Los Angeles County
Sylmar, CA
91342
91342 ZIP Code — Sylmar, CA
Los Angeles County, California
ZIP code 91342 is located in
Sylmar ,
California ,
within Los Angeles County .
It covers approximately 45.45 square miles and serves a population of
92,580 residents.
This is a po box ZIP code in the Pacific (PT) timezone,
served by area code 818/747 .
About ZIP code 91342
The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $605,900. Owner-occupancy sits near the national average at 67%.
Median household income is $89,264.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 31 minutes is near the national average.
College attainment at 20% is below the national average, consistent with a trades and production-oriented local economy.
Notable community characteristics include Spanish spoken in 24% of households.
91342 ZIP code map
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Cities in ZIP code 91342
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Demographics
updated 06/2026
Population
Total population
92,580
Population density
2,037 / sq mi
State FIPS
06
County FIPS
037
Geography
Land area
45.45 sq mi
Water area
0.03 sq mi
Latitude
34.3502
Longitude
-118.3026
Timezone
Pacific (PT)
Area code
818/747
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
31.6%
36.2%
32.6%
$50k – $100k
32.5%
28.2%
27.7%
$100k – $200k
29.1%
24.5%
26.4%
Over $200k
6.7%
11.0%
13.3%
Demographics & statistics
$89,264
Median household income
$605,900
Median home value
$1,862
Median monthly rent
20.3%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 20,896 22.6%
18 and over 71,684 77.4%
65 and over 12,231 13.2%
Median age 36.9 years
Race & ethnicity
Black or African American
2.7%
American Indian / Alaska Native
1%
Native Hawaiian / Pacific Islander
0.2%
Group Count %
White 39,830 30.3%
Hispanic or Latino 38,905 29.6%
Other race 24,061 18.3%
Two or more races 16,410 12.5%
Asian 7,151 5.4%
Black or African American 3,511 2.7%
American Indian / Alaska Native 1,374 1%
Native Hawaiian / Pacific Islander 243 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
31.6%
36.2%
32.6%
$50k – $100k
32.5%
28.2%
27.7%
$100k – $200k
29.1%
24.5%
26.4%
Over $200k
6.7%
11.0%
13.3%
Range % of households
Under $10k 3.6%
$10k–$15k 3.2%
$15k–$25k 6.6%
$25k–$35k 5.9%
$35k–$50k 8.8%
$50k–$75k 14.1%
$75k–$100k 14.3%
$100k–$150k 20.9%
$150k–$200k 11.0%
$200k+ 11.5%
Median income $89,264
Housing
Housing overview
Metric Value
Median home value $605,900
Median rent / month $1,862
Owner occupied 67.1%
Renter occupied 32.9%
Vacant 4.9%
Single-family detached 63.3%
Large apartment buildings 12.7%
Mobile homes 7.0%
Median rooms 5.5
Avg household size (owned) 3.72
Year built
Era %
2020 or later 0.5%
2010–2019 6.0%
2000–2009 9.9%
1990–1999 6.3%
1980–1989 22.7%
1970–1979 12.5%
1960–1969 15.4%
1950–1959 17.6%
1940–1949 6.5%
1939 or earlier 2.5%
Bedrooms
Size % of units
No bedroom (studio) 2.2%
1 bedroom 8.1%
2 bedrooms 24.3%
3 bedrooms 39.6%
4 bedrooms 21.9%
5+ bedrooms 3.9%
Vehicles per household
Vehicles % of households
No vehicle 4.2%
1 vehicle 20.2%
2 vehicles 35.2%
3 or more 40.5%
Heating fuel
Fuel type %
Utility gas 63.9%
Electricity 26.8%
Propane / LP gas 1.0%
Wood 1.1%
Solar 1.3%
No fuel used 5.8%
Households & families
Household type Count %
Married-couple family 13,022 52.2%
Cohabiting couple 2,067 8.3%
Male householder, no spouse 3,259 13.1%
Female householder, no spouse 6,579 26.4%
Households with children under 18 10,180 40.8%
Households with seniors (65+) 8,246 33.1%
Average household size 3.66
Marital status
Status Male Female
Never married 44.6% 39.7%
Married 45.6% 41.1%
Separated 1.4% 2.7%
Widowed 1.3% 7.5%
Divorced 7.0% 9.0%
Education
Less than 9th grade
16.5%
Some HS, no diploma
11.5%
Some college, no degree
19.2%
Graduate / professional
5.6%
Metric %
HS diploma or higher 72.0%
Bachelor's or higher 20.3%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 1,110 4.5%
Kindergarten 957 3.9%
Elementary school 8,819 35.9%
High school 6,090 24.8%
College / grad school 7,582 30.9%
Employment
Industry of employment
Education & healthcare
21.8%
Professional & management
10.3%
Arts, food & hospitality
7.6%
Finance & real estate
6.3%
Transportation & utilities
5.9%
Public administration
3.3%
Agriculture & mining
1.2%
Occupation
Category %
Management, business & arts 30.9%
Service 18.5%
Sales & office 22.1%
Natural resources & construction 12.0%
Production & transportation 16.6%
Employment type
Type %
Private sector 81.3%
Government 11.9%
Self-employed 6.4%
Unpaid family workers 0.3%
Commute
Method %
Drive alone 74.6%
Carpool 12.8%
Public transit 1.5%
Walk 1.1%
Work from home 9.1%
Other means 0.9%
Avg commute (minutes) 31.1
Poverty
Married-couple families
5.6%
Female-led households
21.9%
Income support
Source % of households
Social Security 29.8%
Retirement income 16.4%
Supplemental Security 9.0%
Cash public assistance 4.0%
Food stamps / SNAP 13.9%
Health indicators
Condition %
Obesity 31.0%
High blood pressure 24.5%
High cholesterol 26.8%
Diabetes 10.1%
Heart disease 4.7%
Stroke 2.5%
Asthma 9.1%
Arthritis 15.6%
Kidney disease 2.7%
Pulmonary disease 4.8%
Cancer 4.2%
Behavior / access %
Smoking 11.1%
Binge drinking 18.2%
No physical activity 23.9%
Less than 7 hrs sleep 33.3%
Depression 16.8%
Fair or poor health 17.8%
Poor mental health 16.1%
Poor physical health 10.6%
No health insurance 22.8%
Visited doctor (checkup) 61.2%
Visited dentist 56.6%
Cholesterol screening 89.3%
Teeth loss 12.8%
Veterans & disability
Veterans Count %
Civilian veterans 2,420 3.4%
Disability %
Any disability 12.3%
Under 18 4.5%
18–64 years 9.6%
65 and over 39.4%
Health insurance coverage
Type %
Private insurance 54.4%
Public insurance 43.0%
No insurance 9.5%
Uninsured under 19 4.6%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 87,223 94.2%
Spanish 21,229 24.3%
Other Indo-European 19,058 21.8%
Asian & Pacific Islander 784 0.9%
Other languages 1,194 1.4%
Place of birth & citizenship
Origin Count %
Native born (US) 59,748 64.5%
Born in same state 58,320 63.0%
Born in different state 52,611 56.8%
Foreign born 1,428 1.5%
Naturalized citizen 32,832 35.5%
Not a US citizen 19,154 58.3%
Ancestry
Ancestry Count %
Arab 1,908 2.1%
Italian 1,872 2%
French 1,399 1.5%
Polish 429 0.5%
English 221 0.2%
Ancestry Count %
Irish 161 0.2%
Dutch 140 0.2%
German 122 0.1%
Norwegian 22 0%
Technology access
Metric % of households
Computer access 26.9%
Internet access 93.9%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 91342
What part of Sylmar is ZIP code 91342?
ZIP code 91342 covers a portion of Sylmar, California, within Los Angeles County.
What county is ZIP code 91342 in?
ZIP code 91342 falls within Los Angeles County, California.
Is Spanish widely spoken in ZIP code 91342?
Approximately 24% of households in ZIP code 91342 speak Spanish as a primary language.
What is the typical home value in ZIP code 91342?
The median home value in ZIP code 91342 is $605,900.
What is the population of ZIP code 91342?
ZIP code 91342 has an estimated population of 92,580 residents, with a density of 2,037 people per square mile.
What is the median household income in ZIP code 91342?
The median household income in ZIP code 91342 is $89,264, above the national median of ~$75,000.
What timezone is ZIP code 91342 in?
ZIP code 91342 observes the PST timezone.
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