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.

92,580
population
45.45
sq mi land
PO Box
ZIP type
Pacific (PT)
timezone
91342 ZIP code map
Cities in ZIP code 91342

Below are the cities the US Postal Service accepts for ZIP code 91342. Using any city not on this list may result in mail delivery delays.

City Status
Sylmar Acceptable
Sylmar Acceptable
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
Total population by age
Gender
Race & ethnicity
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

92,580
Population
2,037
People per sq mi
36.9
Median age
$89,264
Median household income
$30,152
Per capita income
$605,900
Median home value
$1,862
Median monthly rent
67.1%
Home ownership
13.2%
Poverty rate
6.3%
Unemployment
18,018
Housing units
20.3%
Bachelor's or higher

Age distribution

Male Female
2,666
Under 5
2,691
2,537
5–9
2,561
3,075
10–14
3,102
3,571
15–19
3,604
3,212
20–24
3,241
6,832
25–34
6,895
6,224
35–44
6,281
5,760
45–54
5,812
3,171
55–59
3,199
2,944
60–64
2,971
3,767
65–74
3,801
1,580
75–84
1,595
741
85+
747
← Male
Female →

Age summary

GroupCount%
Under 1820,89622.6%
18 and over71,68477.4%
65 and over12,23113.2%
Median age36.9 years

Race & ethnicity

White 30.3%
Hispanic or Latino 29.6%
Other race 18.3%
Two or more races 12.5%
Asian 5.4%
Black or African American 2.7%
American Indian / Alaska Native 1%
Native Hawaiian / Pacific Islander 0.2%
GroupCount%
White39,83030.3%
Hispanic or Latino38,90529.6%
Other race24,06118.3%
Two or more races16,41012.5%
Asian7,1515.4%
Black or African American3,5112.7%
American Indian / Alaska Native1,3741%
Native Hawaiian / Pacific Islander2430.2%

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%
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%
Range% of households
Under $10k3.6%
$10k–$15k3.2%
$15k–$25k6.6%
$25k–$35k5.9%
$35k–$50k8.8%
$50k–$75k14.1%
$75k–$100k14.3%
$100k–$150k20.9%
$150k–$200k11.0%
$200k+11.5%
Median income$89,264

Housing

Home values

Under $50k 2.0%
$50k–$100k 2.5%
$100k–$150k 1.7%
$150k–$200k 1.1%
$200k–$300k 4.0%
$300k–$500k 18.4%
$500k–$1M 65.6%
$1M+ 4.6%

Housing overview

MetricValue
Median home value$605,900
Median rent / month$1,862
Owner occupied67.1%
Renter occupied32.9%
Vacant4.9%
Single-family detached63.3%
Large apartment buildings12.7%
Mobile homes7.0%
Median rooms5.5
Avg household size (owned)3.72

Year built

Era%
2020 or later0.5%
2010–20196.0%
2000–20099.9%
1990–19996.3%
1980–198922.7%
1970–197912.5%
1960–196915.4%
1950–195917.6%
1940–19496.5%
1939 or earlier2.5%

Bedrooms

Size% of units
No bedroom (studio)2.2%
1 bedroom8.1%
2 bedrooms24.3%
3 bedrooms39.6%
4 bedrooms21.9%
5+ bedrooms3.9%

Vehicles per household

Vehicles% of households
No vehicle4.2%
1 vehicle20.2%
2 vehicles35.2%
3 or more40.5%

Heating fuel

Fuel type%
Utility gas63.9%
Electricity26.8%
Propane / LP gas1.0%
Wood1.1%
Solar1.3%
No fuel used5.8%

Households & families

Household typeCount%
Married-couple family13,02252.2%
Cohabiting couple2,0678.3%
Male householder, no spouse3,25913.1%
Female householder, no spouse6,57926.4%
Households with children under 1810,18040.8%
Households with seniors (65+)8,24633.1%
Average household size3.66

Marital status

StatusMaleFemale
Never married44.6%39.7%
Married45.6%41.1%
Separated1.4%2.7%
Widowed1.3%7.5%
Divorced7.0%9.0%

Education

Less than 9th grade 16.5%
Some HS, no diploma 11.5%
HS graduate 25.2%
Some college, no degree 19.2%
Associate's degree 7.3%
Bachelor's degree 14.7%
Graduate / professional 5.6%
Metric%
HS diploma or higher72.0%
Bachelor's or higher20.3%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1,1104.5%
Kindergarten9573.9%
Elementary school8,81935.9%
High school6,09024.8%
College / grad school7,58230.9%

Employment

Industry of employment

Education & healthcare 21.8%
Retail trade 11.6%
Manufacturing 11.4%
Construction 10.6%
Professional & management 10.3%
Arts, food & hospitality 7.6%
Finance & real estate 6.3%
Transportation & utilities 5.9%
Other services 5.3%
Public administration 3.3%
Information 2.5%
Wholesale trade 2.3%
Agriculture & mining 1.2%

Occupation

Category%
Management, business & arts30.9%
Service18.5%
Sales & office22.1%
Natural resources & construction12.0%
Production & transportation16.6%

Employment type

Type%
Private sector81.3%
Government11.9%
Self-employed6.4%
Unpaid family workers0.3%

Commute

Method%
Drive alone74.6%
Carpool12.8%
Public transit1.5%
Walk1.1%
Work from home9.1%
Other means0.9%
Avg commute (minutes)31.1

Poverty

All people 13.2%
Under 18 years 19.0%
18 and over 11.6%
Married-couple families 5.6%
Female-led households 21.9%

Income support

Source% of households
Social Security29.8%
Retirement income16.4%
Supplemental Security9.0%
Cash public assistance4.0%
Food stamps / SNAP13.9%

Health indicators

Condition%
Obesity31.0%
High blood pressure24.5%
High cholesterol26.8%
Diabetes10.1%
Heart disease4.7%
Stroke2.5%
Asthma9.1%
Arthritis15.6%
Kidney disease2.7%
Pulmonary disease4.8%
Cancer4.2%
Behavior / access%
Smoking11.1%
Binge drinking18.2%
No physical activity23.9%
Less than 7 hrs sleep33.3%
Depression16.8%
Fair or poor health17.8%
Poor mental health16.1%
Poor physical health10.6%
No health insurance22.8%
Visited doctor (checkup)61.2%
Visited dentist56.6%
Cholesterol screening89.3%
Teeth loss12.8%

Veterans & disability

VeteransCount%
Civilian veterans2,4203.4%
Disability%
Any disability12.3%
Under 184.5%
18–64 years9.6%
65 and over39.4%

Health insurance coverage

Type%
Private insurance54.4%
Public insurance43.0%
No insurance9.5%
Uninsured under 194.6%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only87,22394.2%
Spanish21,22924.3%
Other Indo-European19,05821.8%
Asian & Pacific Islander7840.9%
Other languages1,1941.4%

Place of birth & citizenship

OriginCount%
Native born (US)59,74864.5%
Born in same state58,32063.0%
Born in different state52,61156.8%
Foreign born1,4281.5%
Naturalized citizen32,83235.5%
Not a US citizen19,15458.3%

Ancestry

AncestryCount%
Arab1,9082.1%
Italian1,8722%
French1,3991.5%
Polish4290.5%
English2210.2%
AncestryCount%
Irish1610.2%
Dutch1400.2%
German1220.1%
Norwegian220%

Technology access

Metric% of households
Computer access26.9%
Internet access93.9%

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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