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Santa Clarita city, CA

ZIP 91321 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 91321

91321 has a population of 32,668 with a median age of 34.7 yrs (48.1% male).

Race & Ethnicity
White
44.9%-27% vs US avg
x
Black
2.4%-81% vs US avg
x
Asian
7.5%+28% vs US avg
x
Hispanic
53.7%+187% vs US avg
x
Age Groups
0–17
24.9%+13% vs US avg
x
18–64
60.1%-3% vs US avg
x
65+
15.1%-8% vs US avg
x
Education
Less than HS
15.8%+42% vs US avg
x
High school
22.0%-16% vs US avg
x
Some college
31.0%+7% vs US avg
x
Bachelor's+
31.3%-7% vs US avg
x
Marital Status
Married
46.3%-4% vs US avg
x
Never married
38.0%+12% vs US avg
x
Divorced
10.0%-3% vs US avg
x
Widowed / Separated
5.7%
x
Diversity Index
50/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
9.6%-16% vs US avg
x
Foreign Born
14.5%+4% vs US avg
x
Veterans
4.3%-28% vs US avg
x
Disability
10.6%-21% vs US avg
x
Single Parent
7.0%-13% vs US avg
x
Recent Births
58.2%+903% vs US avg
x
Top ancestry
GermanEnglishIrish

Health & Community Indicators in 91321

Poverty Rate
9.6%-16% vs US avg
x
Veterans
4.3%-28% vs US avg
x
Foreign Born
14.5%+4% vs US avg
x
Single Parent
7.0%-13% vs US avg
x
Disability
10.6%-21% vs US avg
x
Uninsured
5.9%-26% vs US avg
x
SNAP Benefits
9.4%-20% vs US avg
x
Private School
0.6%-94% vs US avg
x
Recent Births
58.2%+903% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population32,668
Median age34.7
Poverty rate9.6%
Demographics statistics
Demographics
White44.9%
Hispanic53.7%
Black2.4%
Asian7.5%
Foreign-born14.5%