91390 ZIP Code — Santa Clarita, CA

Los Angeles County, California

ZIP code 91390 is located in Santa Clarita, California, within Los Angeles County. It covers approximately 158.12 square miles and serves a population of 18,930 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 661.

About ZIP code 91390

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 $800,000. Owner-occupancy is high at 87%, well above the national average.

Median household income is $145,465. 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. An above-average commute of 37 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 41% of residents holding a bachelor's degree or higher.

Overall, ZIP code 91390 reflects a community defined by high homeownership and a significant Social Security-dependent population.

18,930

population

158.12

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

91390 ZIP code map

Cities in ZIP code 91390

Below are the cities the US Postal Service accepts for ZIP code 91390. Using any city not on this list may result in mail delivery delays.

City	Status
Santa Clarita	Acceptable
Santa Clarita	Acceptable
Santa Clarita	Preferred

Nearby ZIP codes

91387 Canyon Country (7.7 mi) 91351 Canyon Country (7.9 mi) 93551 Palmdale (9.5 mi) 91350 Santa Clarita (9.8 mi) 91354 Valencia (10.4 mi) 91383 Santa Clarita (12 mi) 91321 Newhall (12.6 mi) 91382 Santa Clarita (13 mi) 93532 Lake Hughes (13.1 mi) 91384 Castaic (13.2 mi) 93510 Acton (13.3 mi) 93536 Lancaster (13.9 mi)

Demographics updated 06/2026

Population
Total population	18,930
Population density	120 / sq mi
State FIPS	06
County FIPS	037

Geography
Land area	158.12 sq mi
Water area	0.95 sq mi
Latitude	34.5362
Longitude	-118.4016
Timezone	Pacific (PT)
Area code	661

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	16.4%	36.2%	32.6%
$50k – $100k	26.3%	28.2%	27.7%
$100k – $200k	38.0%	24.5%	26.4%
Over $200k	19.4%	11.0%	13.3%

Demographics & statistics

18,930

Population

120

People per sq mi

44.9

Median age

$145,465

Median household income

$56,370

Per capita income

$800,000

Median home value

$2,230

Median monthly rent

87.4%

Home ownership

5.3%

Poverty rate

3.8%

Unemployment

5,865

Housing units

40.8%

Bachelor's or higher

Age distribution

Male Female

368

Under 5

381

543

5–9

563

701

10–14

727

646

15–19

670

413

20–24

427

895

25–34

928

1,090

35–44

1,129

1,320

45–54

1,368

886

55–59

919

972

60–64

1,007

942

65–74

976

382

75–84

396

138

85+

143

← Male

Female →

Age summary

Group	Count	%
Under 18	4,368	23.1%
18 and over	14,562	76.9%
65 and over	2,977	15.7%
Median age	44.9 years

Race & ethnicity

White 57.5%

Hispanic or Latino 16.3%

Other race 10.1%

Two or more races 8.8%

Asian 4.5%

Black or African American 1.8%

American Indian / Alaska Native 1%

Group	Count	%
White	13,000	57.5%
Hispanic or Latino	3,676	16.3%
Other race	2,274	10.1%
Two or more races	1,996	8.8%
Asian	1,028	4.5%
Black or African American	413	1.8%
American Indian / Alaska Native	219	1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	16.4%	36.2%	32.6%
$50k – $100k	26.3%	28.2%	27.7%
$100k – $200k	38.0%	24.5%	26.4%
Over $200k	19.4%	11.0%	13.3%

Under $10k 1.3%

$10k–$15k 2.8%

$15k–$25k 2.5%

$25k–$35k 2.6%

$35k–$50k 6.0%

$50k–$75k 9.1%

$75k–$100k 9.8%

$100k–$150k 16.7%

$150k–$200k 18.7%

$200k+ 30.5%

Range	% of households
Under $10k	1.3%
$10k–$15k	2.8%
$15k–$25k	2.5%
$25k–$35k	2.6%
$35k–$50k	6.0%
$50k–$75k	9.1%
$75k–$100k	9.8%
$100k–$150k	16.7%
$150k–$200k	18.7%
$200k+	30.5%
Median income	$145,465

Housing

Home values

Under $50k 3.1%

$50k–$100k 0.7%

$100k–$150k 1.4%

$200k–$300k 1.1%

$300k–$500k 12.5%

$500k–$1M 63.8%

$1M+ 17.3%

Housing overview

Metric	Value
Median home value	$800,000
Median rent / month	$2,230
Owner occupied	87.4%
Renter occupied	12.6%
Vacant	6.8%
Single-family detached	83.9%
Large apartment buildings	0.2%
Mobile homes	3.4%
Median rooms	6.7
Avg household size (owned)	3.02

Year built

Era	%
2020 or later	0.0%
2010–2019	0.9%
2000–2009	28.9%
1990–1999	12.7%
1980–1989	32.0%
1970–1979	7.8%
1960–1969	5.5%
1950–1959	6.2%
1940–1949	2.9%
1939 or earlier	3.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.3%
1 bedroom	6.0%
2 bedrooms	10.5%
3 bedrooms	34.6%
4 bedrooms	28.2%
5+ bedrooms	20.4%

Vehicles per household

Vehicles	% of households
No vehicle	2.0%
1 vehicle	15.9%
2 vehicles	37.3%
3 or more	44.8%

Heating fuel

Fuel type	%
Utility gas	63.7%
Electricity	14.0%
Propane / LP gas	14.9%
Fuel oil	0.7%
Wood	3.5%
Solar	1.9%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	4,325	69.8%
Cohabiting couple	200	3.2%
Male householder, no spouse	809	13.1%
Female householder, no spouse	860	13.9%
Households with children under 18	2,002	32.3%
Households with seniors (65+)	2,136	34.5%
Average household size	3.00

Marital status

Status	Male	Female
Never married	26.4%	26.5%
Married	61.8%	58.6%
Separated	2.0%	0.7%
Widowed	1.8%	4.7%
Divorced	8.0%	9.4%

Education

Less than 9th grade 2.8%

Some HS, no diploma 3.3%

HS graduate 19.6%

Some college, no degree 22.7%

Associate's degree 10.8%

Bachelor's degree 27.4%

Graduate / professional 13.4%

Metric	%
HS diploma or higher	93.9%
Bachelor's or higher	40.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	127	2.6%
Kindergarten	306	6.2%
Elementary school	1,951	39.4%
High school	1,370	27.6%
College / grad school	1,202	24.3%

Employment

Industry of employment

Education & healthcare 28.1%

Professional & management 10.3%

Manufacturing 9.1%

Retail trade 8.6%

Finance & real estate 8.2%

Construction 6.7%

Arts, food & hospitality 6.1%

Information 5.5%

Public administration 5.4%

Other services 4.7%

Transportation & utilities 4.6%

Wholesale trade 2.2%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	49.2%
Service	13.3%
Sales & office	24.1%
Natural resources & construction	4.8%
Production & transportation	8.6%

Employment type

Type	%
Private sector	71.6%
Government	20.2%
Self-employed	8.0%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	72.1%
Carpool	7.6%
Public transit	0.6%
Walk	1.5%
Work from home	16.9%
Other means	1.4%
Avg commute (minutes)	36.6

Poverty

All people 5.3%

Under 18 years 1.4%

18 and over 6.5%

Married-couple families 2.0%

Female-led households 3.7%

Income support

Source	% of households
Social Security	30.8%
Retirement income	27.3%
Supplemental Security	4.1%
Cash public assistance	3.4%
Food stamps / SNAP	4.2%

Health indicators

Condition	%
Obesity	26.6%
High blood pressure	24.4%
High cholesterol	29.4%
Diabetes	7.4%
Heart disease	4.4%
Stroke	2.1%
Asthma	9.0%
Arthritis	17.2%
Kidney disease	2.2%
Pulmonary disease	4.9%
Cancer	5.5%

Behavior / access	%
Smoking	9.9%
Binge drinking	20.2%
No physical activity	14.6%
Less than 7 hrs sleep	31.3%
Depression	17.9%
Fair or poor health	10.5%
Poor mental health	14.6%
Poor physical health	8.4%
No health insurance	9.0%
Visited doctor (checkup)	63.3%
Visited dentist	70.4%
Cholesterol screening	93.1%
Teeth loss	7.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	814	5.6%

Disability	%
Any disability	10.6%
Under 18	1.9%
18–64 years	9.6%
65 and over	27.3%

Health insurance coverage

Type	%
Private insurance	79.0%
Public insurance	27.9%
No insurance	3.1%
Uninsured under 19	3.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	18,181	96.0%
Spanish	800	4.4%
Other Indo-European	488	2.7%
Asian & Pacific Islander	102	0.6%
Other languages	188	1.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	16,097	85.0%
Born in same state	15,819	83.6%
Born in different state	12,268	64.8%
Foreign born	278	1.5%
Naturalized citizen	2,833	15.0%
Not a US citizen	2,119	74.8%

Ancestry

Ancestry	Count	%
French	2,524	13.3%
Italian	1,770	9.4%
Arab	534	2.8%
Polish	320	1.7%
Irish	319	1.7%

Ancestry	Count	%
English	120	0.6%
Dutch	98	0.5%
German	39	0.2%
Norwegian	39	0.2%

Technology access

Metric	% of households
Computer access	32.7%
Internet access	97.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 91390

What city is ZIP code 91390 in?

ZIP code 91390 is primarily assigned to Santa Clarita, California.

What county is ZIP code 91390 in?

ZIP code 91390 falls within Los Angeles County, California.

Is ZIP code 91390 mostly owner-occupied?

87% of occupied units in ZIP code 91390 are owner-occupied, well above the national average.

What is the median household income in ZIP code 91390?

The median household income in ZIP code 91390 is $145,465, above the national median of ~$75,000.

What is the typical home value in ZIP code 91390?

The median home value in ZIP code 91390 is $800,000.

What is the population of ZIP code 91390?

ZIP code 91390 has an estimated population of 18,930 residents, with a density of 120 people per square mile.

What timezone is ZIP code 91390 in?

ZIP code 91390 observes the PST timezone.