91701 ZIP Code — Rancho Cucamonga, CA

San Bernardino County, California

ZIP code 91701 is located in Rancho Cucamonga, California, within San Bernardino County. It covers approximately 7.39 square miles and serves a population of 39,323 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 909.

About ZIP code 91701

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $664,100. Owner-occupancy is high at 79%, well above the national average.

Median household income is $111,745. The poverty rate of 5% is below the national average. 34% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 33 minutes is near the national average.

Educational attainment is near the national average, with 36% of residents holding a bachelor's degree or higher.

Overall, ZIP code 91701 reflects a community defined by high homeownership and a significant Social Security-dependent population.

39,323

population

7.39

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

91701 ZIP code map

Cities in ZIP code 91701

Below are the cities the US Postal Service accepts for ZIP code 91701. Using any city not on this list may result in mail delivery delays.

City	Status
Rancho Cucamonga	Acceptable
Rancho Cucamonga	Preferred

Nearby ZIP codes

91737 Rancho Cucamonga (0.8 mi) 91730 Rancho Cucamonga (3.4 mi) 91784 Upland (3.8 mi) 91739 Rancho Cucamonga (4.3 mi) 91764 Ontario (4.7 mi) 91786 Upland (5.1 mi) 91758 Ontario (6.7 mi) 91711 Claremont (7.2 mi) 92336 Fontana (7.5 mi) 91763 Montclair (8.1 mi) 91762 Ontario (8.3 mi) 91762 Ontario (8.3 mi)

Demographics updated 06/2026

Population
Total population	39,323
Population density	5,321 / sq mi
State FIPS	06
County FIPS	071

Geography
Land area	7.39 sq mi
Water area	0.00 sq mi
Latitude	34.1464
Longitude	-117.5911
Timezone	Pacific (PT)
Area code	909

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.6%	37.7%	32.6%
$50k – $100k	28.7%	32.0%	27.7%
$100k – $200k	38.1%	23.9%	26.4%
Over $200k	12.6%	6.3%	13.3%

Demographics & statistics

39,323

Population

5,321

People per sq mi

42.2

Median age

$111,745

Median household income

$45,853

Per capita income

$664,100

Median home value

$2,118

Median monthly rent

78.5%

Home ownership

4.8%

Poverty rate

5.4%

Unemployment

10,637

Housing units

36.0%

Bachelor's or higher

Age distribution

Male Female

994

Under 5

993

881

5–9

881

1,270

10–14

1,269

1,364

15–19

1,363

1,297

20–24

1,296

2,399

25–34

2,397

2,329

35–44

2,327

2,571

45–54

2,568

1,353

55–59

1,352

1,661

60–64

1,660

2,079

65–74

2,077

970

75–84

970

501

85+

501

← Male

Female →

Age summary

Group	Count	%
Under 18	7,922	20.1%
18 and over	31,401	79.9%
65 and over	7,098	18.1%
Median age	42.2 years

Race & ethnicity

White 43.7%

Hispanic or Latino 19.6%

Two or more races 12.8%

Other race 10.2%

Asian 8.4%

Black or African American 4.7%

American Indian / Alaska Native 0.5%

Group	Count	%
White	21,395	43.7%
Hispanic or Latino	9,605	19.6%
Two or more races	6,262	12.8%
Other race	4,991	10.2%
Asian	4,127	8.4%
Black or African American	2,280	4.7%
American Indian / Alaska Native	268	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.6%	37.7%	32.6%
$50k – $100k	28.7%	32.0%	27.7%
$100k – $200k	38.1%	23.9%	26.4%
Over $200k	12.6%	6.3%	13.3%

Under $10k 1.8%

$10k–$15k 2.9%

$15k–$25k 2.8%

$25k–$35k 4.7%

$35k–$50k 5.3%

$50k–$75k 13.7%

$75k–$100k 12.7%

$100k–$150k 22.8%

$150k–$200k 15.8%

$200k+ 17.7%

Range	% of households
Under $10k	1.8%
$10k–$15k	2.9%
$15k–$25k	2.8%
$25k–$35k	4.7%
$35k–$50k	5.3%
$50k–$75k	13.7%
$75k–$100k	12.7%
$100k–$150k	22.8%
$150k–$200k	15.8%
$200k+	17.7%
Median income	$111,745

Housing

Home values

Under $50k 1.9%

$50k–$100k 2.8%

$100k–$150k 1.1%

$150k–$200k 1.3%

$200k–$300k 1.3%

$300k–$500k 11.3%

$500k–$1M 73.6%

$1M+ 6.7%

Housing overview

Metric	Value
Median home value	$664,100
Median rent / month	$2,118
Owner occupied	78.5%
Renter occupied	21.5%
Vacant	2.7%
Single-family detached	79.2%
Large apartment buildings	5.4%
Mobile homes	6.3%
Median rooms	6.3
Avg household size (owned)	3.00

Year built

Era	%
2020 or later	0.0%
2010–2019	1.2%
2000–2009	6.0%
1990–1999	12.9%
1980–1989	33.4%
1970–1979	35.2%
1960–1969	8.7%
1950–1959	1.1%
1940–1949	0.9%
1939 or earlier	0.5%

Bedrooms

Size	% of units
No bedroom (studio)	1.5%
1 bedroom	3.7%
2 bedrooms	13.3%
3 bedrooms	36.4%
4 bedrooms	40.6%
5+ bedrooms	4.5%

Vehicles per household

Vehicles	% of households
No vehicle	3.1%
1 vehicle	19.6%
2 vehicles	40.7%
3 or more	36.6%

Heating fuel

Fuel type	%
Utility gas	84.6%
Electricity	12.7%
Propane / LP gas	1.4%
Fuel oil	0.4%
Wood	0.1%
Solar	0.2%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	8,192	62.5%
Cohabiting couple	525	4.0%
Male householder, no spouse	1,614	12.3%
Female householder, no spouse	2,767	21.1%
Households with children under 18	4,087	31.2%
Households with seniors (65+)	4,872	37.2%
Average household size	2.98

Marital status

Status	Male	Female
Never married	33.8%	27.3%
Married	55.2%	53.1%
Separated	0.8%	1.8%
Widowed	2.6%	7.8%
Divorced	7.5%	10.1%

Education

Less than 9th grade 3.3%

Some HS, no diploma 4.0%

HS graduate 20.0%

Some college, no degree 24.0%

Associate's degree 12.8%

Bachelor's degree 21.6%

Graduate / professional 14.4%

Metric	%
HS diploma or higher	92.8%
Bachelor's or higher	36.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	336	3.4%
Kindergarten	326	3.3%
Elementary school	3,267	33.5%
High school	2,325	23.8%
College / grad school	3,501	35.9%

Employment

Industry of employment

Education & healthcare 27.0%

Retail trade 11.8%

Professional & management 10.6%

Manufacturing 8.9%

Arts, food & hospitality 8.3%

Transportation & utilities 7.3%

Construction 5.7%

Finance & real estate 5.6%

Public administration 5.2%

Other services 4.0%

Wholesale trade 3.1%

Information 1.9%

Agriculture & mining 0.8%

Occupation

Category	%
Management, business & arts	44.4%
Service	13.9%
Sales & office	21.8%
Natural resources & construction	6.4%
Production & transportation	13.4%

Employment type

Type	%
Private sector	76.0%
Government	18.9%
Self-employed	5.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.6%
Carpool	7.0%
Public transit	2.0%
Walk	0.5%
Work from home	8.9%
Other means	1.0%
Avg commute (minutes)	32.9

Poverty

All people 4.8%

Under 18 years 4.1%

18 and over 5.0%

Married-couple families 1.8%

Female-led households 15.3%

Income support

Source	% of households
Social Security	34.0%
Retirement income	31.4%
Supplemental Security	4.4%
Cash public assistance	2.0%
Food stamps / SNAP	5.6%

Health indicators

Condition	%
Obesity	34.6%
High blood pressure	27.6%
High cholesterol	30.9%
Diabetes	8.9%
Heart disease	4.9%
Stroke	2.3%
Asthma	9.6%
Arthritis	20.1%
Kidney disease	2.4%
Pulmonary disease	4.9%
Cancer	5.7%

Behavior / access	%
Smoking	10.8%
Binge drinking	19.5%
No physical activity	17.9%
Less than 7 hrs sleep	34.3%
Depression	16.9%
Fair or poor health	12.0%
Poor mental health	13.7%
Poor physical health	8.9%
No health insurance	10.3%
Visited doctor (checkup)	65.8%
Visited dentist	70.5%
Cholesterol screening	92.1%
Teeth loss	9.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,963	6.3%

Disability	%
Any disability	11.3%
Under 18	2.7%
18–64 years	7.8%
65 and over	32.9%

Health insurance coverage

Type	%
Private insurance	77.1%
Public insurance	30.1%
No insurance	3.4%
Uninsured under 19	2.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	37,336	94.9%
Spanish	3,706	9.9%
Other Indo-European	1,896	5.1%
Asian & Pacific Islander	292	0.8%
Other languages	1,358	3.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	32,591	82.9%
Born in same state	32,088	81.6%
Born in different state	26,047	66.2%
Foreign born	503	1.3%
Naturalized citizen	6,732	17.1%
Not a US citizen	4,934	73.3%

Ancestry

Ancestry	Count	%
French	3,046	7.7%
Italian	2,938	7.5%
Arab	1,331	3.4%
English	425	1.1%
Polish	421	1.1%

Ancestry	Count	%
German	244	0.6%
Dutch	116	0.3%
Norwegian	110	0.3%
Irish	65	0.2%

Technology access

Metric	% of households
Computer access	33.3%
Internet access	96.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 91701

What city is ZIP code 91701 in?

ZIP code 91701 is primarily assigned to Rancho Cucamonga, California.

What county is ZIP code 91701 in?

ZIP code 91701 falls within San Bernardino County, California.

What is the typical home value in ZIP code 91701?

The median home value in ZIP code 91701 is $664,100.

What is the median household income in ZIP code 91701?

The median household income in ZIP code 91701 is $111,745, above the national median of ~$75,000.

What is the population of ZIP code 91701?

ZIP code 91701 has an estimated population of 39,323 residents, with a density of 5,320 people per square mile.

What timezone is ZIP code 91701 in?

ZIP code 91701 observes the PST timezone.