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South Whittier CDP, CA

ZIP 90604 — People & Community

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

Upper Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 90604

90604 has a population of 39,378 with a median age of 36.2 yrs (50.5% male).

Race & Ethnicity
White
35.1%-43% vs US avg
x
Black
1.2%-90% vs US avg
x
Asian
8.4%+42% vs US avg
x
Hispanic
68.2%+265% vs US avg
x
Age Groups
0–17
23.7%+8% vs US avg
x
18–64
63.7%+3% vs US avg
x
65+
12.6%-23% vs US avg
x
Education
Less than HS
12.6%+13% vs US avg
x
High school
29.6%+13% vs US avg
x
Some college
34.5%+19% vs US avg
x
Bachelor's+
23.4%-31% vs US avg
x
Marital Status
Married
49.4%+3% vs US avg
x
Never married
39.9%+18% vs US avg
x
Divorced
6.6%-36% vs US avg
x
Widowed / Separated
4.1%
x
Diversity Index
40/100

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

Social & household profile

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

Poverty Rate
5.9%-49% vs US avg
x
Foreign Born
11.5%-17% vs US avg
x
Veterans
3.8%-36% vs US avg
x
Disability
9.5%-29% vs US avg
x
Single Parent
6.1%-25% vs US avg
x
Recent Births
43.0%+642% vs US avg
x
Top ancestry
GermanEnglishIrish

Health & Community Indicators in 90604

Poverty Rate
5.9%-49% vs US avg
x
Veterans
3.8%-36% vs US avg
x
Foreign Born
11.5%-17% vs US avg
x
Single Parent
6.1%-25% vs US avg
x
Disability
9.5%-29% vs US avg
x
Uninsured
6.9%-14% vs US avg
x
SNAP Benefits
7.6%-35% vs US avg
x
Private School
0.3%-97% vs US avg
x
Recent Births
43.0%+642% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population39,378
Median age36.2
Poverty rate5.9%
Demographics statistics
Demographics
White35.1%
Hispanic68.2%
Black1.2%
Asian8.4%
Foreign-born11.5%