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Signal Hill city, CA

ZIP 90755 — People & Community

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

Upper Middle ClassLow Snow AreaRemote Work Hub

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 90755

90755 has a population of 11,654 with a median age of 41.1 yrs (51.0% male).

Race & Ethnicity
White
42.3%-31% vs US avg
x
Black
7.5%-39% vs US avg
x
Asian
25.0%+324% vs US avg
x
Hispanic
37.5%+101% vs US avg
x
Age Groups
0–17
17.5%-20% vs US avg
x
18–64
69.6%+13% vs US avg
x
65+
12.8%-21% vs US avg
x
Education
Less than HS
11.9%+8% vs US avg
x
High school
13.6%-48% vs US avg
x
Some college
36.2%+25% vs US avg
x
Bachelor's+
38.3%+14% vs US avg
x
Marital Status
Married
44.3%-8% vs US avg
x
Never married
45.6%+35% vs US avg
x
Divorced
6.9%-33% vs US avg
x
Widowed / Separated
3.2%
x
Diversity Index
61/100

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

Social & household profile

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

Poverty Rate
9.0%-22% vs US avg
x
Foreign Born
7.7%-45% vs US avg
x
Veterans
3.6%-40% vs US avg
x
Disability
6.4%-52% vs US avg
x
Single Parent
8.2%+1% vs US avg
x
Recent Births
37.6%+549% vs US avg
x
Top ancestry
IrishEnglishGerman

Health & Community Indicators in 90755

Poverty Rate
9.0%-22% vs US avg
x
Veterans
3.6%-40% vs US avg
x
Foreign Born
7.7%-45% vs US avg
x
Single Parent
8.2%+1% vs US avg
x
Disability
6.4%-52% vs US avg
x
Uninsured
6.6%-18% vs US avg
x
SNAP Benefits
11.5%-1% vs US avg
x
Private School
0.0%
x
Recent Births
37.6%+549% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population11,654
Median age41.1
Poverty rate9.0%
Demographics statistics
Demographics
White42.3%
Hispanic37.5%
Black7.5%
Asian25.0%
Foreign-born7.7%