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Rancho Cucamonga city, CA

ZIP 91701 — 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 91701

91701 has a population of 38,597 with a median age of 42.1 yrs (50.6% male).

Race & Ethnicity
White
49.7%-19% vs US avg
x
Black
4.8%-61% vs US avg
x
Asian
13.1%+121% vs US avg
x
Hispanic
37.5%+101% vs US avg
x
Age Groups
0–17
20.9%-5% vs US avg
x
18–64
60.3%-2% vs US avg
x
65+
18.9%+16% vs US avg
x
Education
Less than HS
7.5%-33% vs US avg
x
High school
20.3%-23% vs US avg
x
Some college
36.0%+25% vs US avg
x
Bachelor's+
36.2%+7% vs US avg
x
Marital Status
Married
55.6%+16% vs US avg
x
Never married
29.6%-12% vs US avg
x
Divorced
9.3%-10% vs US avg
x
Widowed / Separated
5.5%
x
Diversity Index
59/100

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

Social & household profile

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

Poverty Rate
4.8%-58% vs US avg
x
Foreign Born
16.2%+17% vs US avg
x
Veterans
6.2%+3% vs US avg
x
Disability
11.1%-17% vs US avg
x
Single Parent
3.4%-58% vs US avg
x
Recent Births
48.2%+730% vs US avg
x
Top ancestry
EnglishGermanIrish

Health & Community Indicators in 91701

Poverty Rate
4.8%-58% vs US avg
x
Veterans
6.2%+3% vs US avg
x
Foreign Born
16.2%+17% vs US avg
x
Single Parent
3.4%-58% vs US avg
x
Disability
11.1%-17% vs US avg
x
Uninsured
3.9%-51% vs US avg
x
SNAP Benefits
6.0%-49% vs US avg
x
Private School
0.1%-99% vs US avg
x
Recent Births
48.2%+730% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population38,597
Median age42.1
Poverty rate4.8%
Demographics statistics
Demographics
White49.7%
Hispanic37.5%
Black4.8%
Asian13.1%
Foreign-born16.2%