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San Luis Obispo city, CA

ZIP 93405 — People & Community

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

Working ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 93405

93405 has a population of 23,856 with a median age of 22.7 yrs (51.9% male).

Race & Ethnicity
White
78.1%+27% vs US avg
x
Black
1.0%-92% vs US avg
x
Asian
6.3%+6% vs US avg
x
Hispanic
14.8%-21% vs US avg
x
Age Groups
0–17
7.0%-68% vs US avg
x
18–64
81.9%+33% vs US avg
x
65+
11.1%-32% vs US avg
x
Education
Less than HS
4.6%-59% vs US avg
x
High school
12.1%-54% vs US avg
x
Some college
31.3%+8% vs US avg
x
Bachelor's+
52.0%+54% vs US avg
x
Marital Status
Married
21.0%-56% vs US avg
x
Never married
71.9%+113% vs US avg
x
Divorced
3.4%-67% vs US avg
x
Widowed / Separated
3.7%
x
Diversity Index
36/100

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

Social & household profile

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

Poverty Rate
44.5%+287% vs US avg
x
Foreign Born
36.8%+164% vs US avg
x
Veterans
2.9%-52% vs US avg
x
Disability
8.2%-39% vs US avg
x
Single Parent
3.7%-54% vs US avg
x
Recent Births
9.5%+63% vs US avg
x
Top ancestry
EnglishGermanIrish

Health & Community Indicators in 93405

Poverty Rate
44.5%+287% vs US avg
x
Veterans
2.9%-52% vs US avg
x
Foreign Born
36.8%+164% vs US avg
x
Single Parent
3.7%-54% vs US avg
x
Disability
8.2%-39% vs US avg
x
Uninsured
3.3%-58% vs US avg
x
SNAP Benefits
5.8%-51% vs US avg
x
Private School
0.4%-96% vs US avg
x
Recent Births
9.5%+63% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population23,856
Median age22.7
Poverty rate44.5%
Demographics statistics
Demographics
White78.1%
Hispanic14.8%
Black1.0%
Asian6.3%
Foreign-born36.8%