Postal Codes

91701 ZIP Code

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ZIP code 91701 covers Rancho Cucamonga, California, with a population of about 38,597 and a median household income of $113,576.

Population
38,5975,222 per square mile
Median age
42.13.4 points above the US average
Median household income
$113,5761.2× the California median
Poverty rate
4.8%7.6 points below the US average
Typical home value
$841,152up 21.6% in five years
Median rent
$2,2321.1× the California median
Degree or higher
36.2%1.2 points above the US average
Homeownership
79.2%14.2 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
641

Where 91701 is

Rancho Cucamonga, California — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population38,597
Median age42.1
Family households79.4%
Born outside the US18%
Speaks a language other than English at home28.6%
White (non-Hispanic)39.7%
Black (non-Hispanic)4.7%
Asian (non-Hispanic)12.5%
Hispanic or Latino37.5%
Veterans6.2%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$113,576
Income per person$46,670
Poverty rate4.8%
Households on SNAP or cash assistance7%

Household income distribution

Under $10k1.8%
$10–15k2.1%
$15–20k1.8%
$20–25k1.2%
$25–30k1.9%
$30–35k1.9%
$35–40k2.1%
$40–45k2.4%
$45–50k2.1%
$50–60k4.5%
$60–75k8.7%
$75–100k13.6%
$100–125k12.1%
$125–150k8.9%
$150–200k14.3%
$200k or more20.4%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed18,880
Mean adjusted gross income$93,122
Returns declaring $200,000 or more9.7%
Returns, under $25k22.9%
Returns, $25k–$50k19.8%
Returns, $50k–$75k13.3%
Returns, $75k–$100k10.5%
Returns, $100k–$200k23.7%
Returns, $200k or more9.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$718,800
Median gross rent$2,232
Rent as a share of household income33.8%
Owner-occupied79.2%
Vacant homes2.7%
Median year built1981

What the homes are

Detached house78.5%
Attached house2.3%
2 to 4 units5%
5 to 19 units3%
20 or more units4.7%
Mobile home6.4%
Boat, RV or van0.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$841,152as of 2026-07
Typical home value, 1 yeardown 0.9%
Typical home value, 5 yearsup 21.6%
Typical home value, 10 yearsup 78%
Typical asking rent$3,313as of 2026-07
Typical asking rent, 1 yearup 5.6%
Typical home value since 2000
200020132026$848,909$212,323

$212,323 in 2000 to $841,152 in 2026.

Typical asking rent
202220242026$3,313$2,901

$2,901 in 2022 to $3,313 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.5%
Bachelor's degree or higher36.2%
High school diploma or higher92.5%
Works from home11.5%
Drives to work alone79.8%
Takes public transport1.1%
Commutes 45 minutes or more22.9%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity29.1% 4.3 pts below the national average of 33.4%
Diagnosed diabetes10.8% 1.2 pts below the national average of 12%
Currently smokes9.5% 3.7 pts below the national average of 13.2%
High blood pressure32.8% 1.3 pts below the national average of 34.1%
Fair or poor general health18.9% 1.4 pts below the national average of 20.3%
No health insurance (18–64)7.6% 3.7 pts below the national average of 11.3%
Depression19.3% 2.6 pts below the national average of 21.9%
No leisure-time physical activity19.8% 5.6 pts below the national average of 25.4%
Arthritis24.5% 0.6 pts below the national average of 25.1%
Binge drinking15.5% 0.5 pts below the national average of 16%
Taking blood pressure medication73% 1.7 pts below the national average of 74.7%
Cancer (non-skin)7.8% same as the national average of 7.7%
Current asthma9.8% 0.6 pts below the national average of 10.4%
Coronary heart disease5.7% 0.5 pts below the national average of 6.2%
Routine check-up in past year73.5% 3.2 pts below the national average of 76.7%
Cholesterol screening88.5% 2.6 pts above the national average of 85.9%
Cognitive disability12.4% 2.4 pts below the national average of 14.8%
Colorectal screening63.5% 0.8 pts below the national average of 64.3%
COPD4.9% 1.7 pts below the national average of 6.6%
Visited a dentist66.3% 5 pts above the national average of 61.3%
Any disability26.6% 4.1 pts below the national average of 30.7%
Lacks emotional support26.2% 1.4 pts above the national average of 24.8%
Food insecurity12.6% 4.5 pts below the national average of 17.1%
Received food stamps10.6% 3.7 pts below the national average of 14.3%
Hearing disability5.8% 0.9 pts below the national average of 6.7%
High cholesterol36.5% same as the national average of 36.2%
Housing insecurity10.9% 2.9 pts below the national average of 13.8%
Independent living disability6.8% 1.6 pts below the national average of 8.4%
Lacks transport7% 2.2 pts below the national average of 9.2%
Loneliness34.8% same as the national average of 34.4%
Mammography use76.7% 0.8 pts above the national average of 75.9%
Poor mental health (14+ days)15.2% 1.6 pts below the national average of 16.8%
Mobility disability12.2% 1.8 pts below the national average of 14%
Poor physical health (14+ days)12.5% 1 pts below the national average of 13.5%
Self-care disability3.3% 0.7 pts below the national average of 4%
Utility shut-off threat5.4% 3.4 pts below the national average of 8.8%
Sleeps under 7 hours34.5% 1.9 pts below the national average of 36.4%
Stroke3.1% same as the national average of 3.4%
All natural teeth lost7.3% 5.7 pts below the national average of 13%
Vision disability4.5% 1.1 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments641
People employed3,498
Annual payroll$130,601,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 90.5% of US census tracts
FEMA ratingRelatively Moderate to Very High across the 10 census tracts this ZIP code covers
Expected annual loss92.2 out of 100
Community resilience19.4 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

River flooding94Very High at its worst in this ZIP code
Earthquake92.3Relatively High at its worst in this ZIP code
Landslide58.4Very Low at its worst in this ZIP code
Heat wave51.8Relatively Moderate at its worst in this ZIP code
Wildfire45.5Relatively High at its worst in this ZIP code
Hail38.6Relatively Low at its worst in this ZIP code
Strong wind31.5Relatively Low at its worst in this ZIP code
Lightning22.2Relatively Low at its worst in this ZIP code
Tornado19.1Very Low at its worst in this ZIP code
Winter weather15.6Very Low at its worst in this ZIP code
Drought7.4Very Low at its worst in this ZIP code
Compared with California and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPCaliforniaUnited States
Median household income$113,576$96,334$78,538
Income per person$46,670$47,977$43,289
Poverty rate4.8%12%12.4%
Median home value$718,800$695,400$303,400
Median gross rent$2,232$1,956$1,348
Homeownership79.2%55.8%65%
Bachelor's degree or higher36.2%36.5%35%
Unemployment rate5.5%6.4%5.2%
Works from home11.5%15.5%13.5%
Born outside the US18%26.7%13.9%
Median age42.137.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationONTARIO INTL AP, CA US9.1 km away
Rain in a year12 in

Average high and low by month

January67.7°F / 44.6°F2.57 in rain
February68.1°F / 46.2°F3.07 in rain
March71.7°F / 48.7°F1.64 in rain
April75.7°F / 51.1°F0.76 in rain
May79.8°F / 55.6°F0.3 in rain
June86.4°F / 60°F0.02 in rain
July93.8°F / 64.7°F0.05 in rain
August94.9°F / 65.2°F0.03 in rain
September91.3°F / 63.8°F0.1 in rain
October82.6°F / 57.1°F0.41 in rain
November74.7°F / 49°F0.8 in rain
December66.9°F / 43.6°F1.89 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket36% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Chaffey Joint Union High School District49.8% of this ZIP code's land area
Alta Loma Elementary School District44.4% of this ZIP code's land area
Etiwanda Elementary School District5.3% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability34more vulnerable than 34% of US census tracts
Socioeconomic status22more vulnerable than 22% of US census tracts
Household characteristics55more vulnerable than 55% of US census tracts
Racial and ethnic minority status70more vulnerable than 70% of US census tracts
Housing type and transport36more vulnerable than 36% of US census tracts
Walkability11 out of 20Above average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

91737 Rancho Cucamonga, CA2.1 km away
91730 Rancho Cucamonga, CA3.4 km away
91729 Rancho Cucamonga, CA3.5 km away
91784 Upland, CA5.4 km away
91785 Upland, CA6 km away
91786 Upland, CA6 km away
91764 Ontario, CA7.2 km away
91743 Guasti, CA8.2 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

San Bernardino County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area7.39 sq mi
Population density5,222 people per sq mi
Latitude, longitude34.1376, -117.5999

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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