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California ZIP Codes
Los Angeles County
Newhall, CA
91321
91321 ZIP Code — Newhall, CA
Los Angeles County, California
ZIP code 91321 is located in
Newhall ,
California ,
within Los Angeles County .
It covers approximately 26.66 square miles and serves a population of
34,305 residents.
This is a po box ZIP code in the Pacific (PT) timezone,
served by area code 661 .
About ZIP code 91321
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 $603,300. Owner-occupancy sits near the national average at 59%.
The gap between median ($84,503) 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. The average commute of 30 minutes is near the national average.
Educational attainment is near the national average, with 29% of residents holding a bachelor's degree or higher.
91321 ZIP code map
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Cities in ZIP code 91321
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
34,305
Population density
1,287 / sq mi
State FIPS
06
County FIPS
037
Geography
Land area
26.66 sq mi
Water area
0.01 sq mi
Latitude
34.3604
Longitude
-118.4624
Timezone
Pacific (PT)
Area code
661
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
36.3%
36.2%
32.6%
$50k – $100k
24.2%
28.2%
27.7%
$100k – $200k
28.7%
24.5%
26.4%
Over $200k
10.8%
11.0%
13.3%
Demographics & statistics
$84,503
Median household income
$603,300
Median home value
$1,972
Median monthly rent
28.6%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 8,885 25.9%
18 and over 25,420 74.1%
65 and over 4,593 13.4%
Median age 33.9 years
Race & ethnicity
Black or African American
1.6%
American Indian / Alaska Native
0.8%
Native Hawaiian / Pacific Islander
0.2%
Group Count %
White 16,935 36.3%
Hispanic or Latino 12,304 26.4%
Two or more races 7,636 16.4%
Other race 5,860 12.6%
Asian 2,684 5.8%
Black or African American 727 1.6%
American Indian / Alaska Native 365 0.8%
Native Hawaiian / Pacific Islander 98 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
36.3%
36.2%
32.6%
$50k – $100k
24.2%
28.2%
27.7%
$100k – $200k
28.7%
24.5%
26.4%
Over $200k
10.8%
11.0%
13.3%
Range % of households
Under $10k 3.4%
$10k–$15k 2.4%
$15k–$25k 5.5%
$25k–$35k 7.6%
$35k–$50k 12.1%
$50k–$75k 14.0%
$75k–$100k 11.1%
$100k–$150k 16.1%
$150k–$200k 11.1%
$200k+ 16.8%
Median income $84,503
Housing
Housing overview
Metric Value
Median home value $603,300
Median rent / month $1,972
Owner occupied 59.4%
Renter occupied 40.6%
Vacant 3.4%
Single-family detached 43.5%
Large apartment buildings 13.0%
Mobile homes 5.7%
Median rooms 4.8
Avg household size (owned) 3.03
Year built
Era %
2020 or later 0.1%
2010–2019 3.4%
2000–2009 8.6%
1990–1999 13.4%
1980–1989 22.3%
1970–1979 18.7%
1960–1969 21.8%
1950–1959 6.9%
1940–1949 2.0%
1939 or earlier 2.7%
Bedrooms
Size % of units
No bedroom (studio) 3.0%
1 bedroom 10.7%
2 bedrooms 35.7%
3 bedrooms 26.5%
4 bedrooms 19.4%
5+ bedrooms 4.7%
Vehicles per household
Vehicles % of households
No vehicle 5.2%
1 vehicle 31.5%
2 vehicles 36.9%
3 or more 26.3%
Heating fuel
Fuel type %
Utility gas 67.7%
Electricity 27.9%
Propane / LP gas 2.5%
Wood 0.1%
Solar 0.3%
No fuel used 1.7%
Households & families
Household type Count %
Married-couple family 5,457 49.3%
Cohabiting couple 612 5.5%
Male householder, no spouse 2,011 18.2%
Female householder, no spouse 2,988 27.0%
Households with children under 18 4,178 37.7%
Households with seniors (65+) 3,711 33.5%
Average household size 3.04
Marital status
Status Male Female
Never married 41.9% 34.6%
Married 46.0% 42.0%
Separated 0.9% 3.0%
Widowed 2.9% 8.6%
Divorced 8.3% 11.8%
Education
Some college, no degree
21.8%
Graduate / professional
9.3%
Metric %
HS diploma or higher 82.4%
Bachelor's or higher 28.6%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 505 5.2%
Kindergarten 513 5.3%
Elementary school 3,546 36.7%
High school 2,117 21.9%
College / grad school 2,969 30.8%
Employment
Industry of employment
Education & healthcare
18.9%
Arts, food & hospitality
12.1%
Professional & management
11.9%
Public administration
6.5%
Finance & real estate
5.9%
Transportation & utilities
3.3%
Agriculture & mining
0.1%
Occupation
Category %
Management, business & arts 33.4%
Service 21.7%
Sales & office 25.9%
Natural resources & construction 6.6%
Production & transportation 12.4%
Employment type
Type %
Private sector 78.7%
Government 13.0%
Self-employed 7.9%
Unpaid family workers 0.4%
Commute
Method %
Drive alone 73.2%
Carpool 8.3%
Public transit 3.3%
Walk 1.6%
Work from home 11.0%
Other means 2.6%
Avg commute (minutes) 30.2
Poverty
Married-couple families
4.5%
Female-led households
12.9%
Income support
Source % of households
Social Security 29.2%
Retirement income 21.3%
Supplemental Security 4.0%
Cash public assistance 2.0%
Food stamps / SNAP 8.0%
Health indicators
Condition %
Obesity 28.7%
High blood pressure 25.6%
High cholesterol 27.5%
Diabetes 8.7%
Heart disease 5.1%
Stroke 2.6%
Asthma 9.3%
Arthritis 17.8%
Kidney disease 2.7%
Pulmonary disease 5.5%
Cancer 5.5%
Behavior / access %
Smoking 11.2%
Binge drinking 18.6%
No physical activity 20.4%
Less than 7 hrs sleep 32.2%
Depression 17.9%
Fair or poor health 15.2%
Poor mental health 16.1%
Poor physical health 10.1%
No health insurance 17.2%
Visited doctor (checkup) 62.7%
Visited dentist 60.6%
Cholesterol screening 89.6%
Teeth loss 10.1%
Veterans & disability
Veterans Count %
Civilian veterans 1,117 4.4%
Disability %
Any disability 9.6%
Under 18 3.3%
18–64 years 7.0%
65 and over 34.2%
Health insurance coverage
Type %
Private insurance 68.0%
Public insurance 36.3%
No insurance 6.7%
Uninsured under 19 2.7%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 31,710 92.4%
Spanish 5,049 15.9%
Other Indo-European 4,298 13.6%
Asian & Pacific Islander 212 0.7%
Other languages 467 1.5%
Place of birth & citizenship
Origin Count %
Native born (US) 26,354 76.8%
Born in same state 25,922 75.6%
Born in different state 21,436 62.5%
Foreign born 432 1.3%
Naturalized citizen 7,951 23.2%
Not a US citizen 4,128 51.9%
Ancestry
Ancestry Count %
French 2,481 7.2%
Italian 2,093 6.1%
Arab 980 2.9%
Polish 458 1.3%
English 233 0.7%
Ancestry Count %
Dutch 218 0.6%
German 99 0.3%
Irish 91 0.3%
Norwegian 52 0.2%
Technology access
Metric % of households
Computer access 32.3%
Internet access 95.5%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 91321
What city is ZIP code 91321 in?
ZIP code 91321 is primarily assigned to Newhall, California.
What county is ZIP code 91321 in?
ZIP code 91321 falls within Los Angeles County, California.
What is the typical home value in ZIP code 91321?
The median home value in ZIP code 91321 is $603,300.
What is the population of ZIP code 91321?
ZIP code 91321 has an estimated population of 34,305 residents, with a density of 1,287 people per square mile.
What is the median household income in ZIP code 91321?
The median household income in ZIP code 91321 is $84,503, above the national median of ~$75,000.
What timezone is ZIP code 91321 in?
ZIP code 91321 observes the PST timezone.
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