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ZIP Code 91321
Santa Clarita, CA, Los Angeles County
Population
31,989
Land area
26.7sq mi
People per sq mi
1,200
City
Santa Clarita
ZIP 91321 and nearby ZIP codes
ZIP 91321 at a glance
- ZIP 91321 (Santa Clarita) is about 4.8 times as dense as California as a whole.
- The median household income is $91,092, 8% below the California median of $99,122.
- A typical owner-occupied home is valued at $691,600 (6% below California) and median rent is $2,134 a month.
Local data for ZIP 91321
Counts from official public data
Housing and community stats
ZIP 91321, American Community Survey 2020-2024
Median household income
$91,092
Poverty rate
9.6%
Median home value
$691,600
Prices -0.1% in a year
Median rent
$2,134/mo
Homeownership
60.8%
Bachelor's or higher
32.4%
Median age
36.5
Average commute
30.5 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
882
ZIP Business Patterns 2023
Employees
9,863
$424M annual payroll
PPP loans
$68M
1,018 loans
Campaign donations
$138K
38% D, 23% R, 2026 cycle
Environment and hazard risk
ZIP 91321, from FEMA, NOAA and EPA
Natural hazard risk
Very High
Top: earthquake
Storm events since 1996
662
Countywide, mostly flash flood
Flood insurance policies
10,584
0.5% of homes, county
July high / Jan low
94° / 47°F
16.8 inches of rain a year
Health statistics
Share of adults in ZIP 91321, CDC PLACES estimates
Obesity
26.0%
U.S. 33.3% -7.3 pts
Diabetes
10.8%
U.S. 12.1% -1.3 pts
Smoking
10.5%
U.S. 12.8% -2.3 pts
Uninsured (18-64)
11.8%
U.S. 11.1% +0.7 pts
Frequently asked questions
- What city is ZIP code 91321?
- ZIP code 91321 is in Santa Clarita, CA (Los Angeles County).
- What county is ZIP code 91321 in?
- ZIP code 91321 is mostly in Los Angeles County, California.
- How many people live in ZIP code 91321?
- About 31,989 people live in the 91321 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.