Rancho Cucamonga ZIP Code List — San Bernardino County, CA

There are 5 unique ZIP codes in Rancho Cucamonga, California. Area code: 909.

ZIP codes

59.63

sq mi land

0.01

sq mi water

909

area code

Rancho Cucamonga, CA ZIP code map

About Rancho Cucamonga, CA

Nestled in the heart of Southern California, Rancho Cucamonga is a vibrant city located in San Bernardino County. This dynamic community boasts a rich cultural history while offering a modern, suburban atmosphere. With its unique blend of urban convenience and natural beauty, Rancho Cucamonga is an appealing destination for residents and visitors alike.

Location & geography

Rancho Cucamonga is situated approximately 37 miles east of downtown Los Angeles and borders other cities such as Ontario, Upland, and Fontana, providing easy access to the greater Los Angeles area. The city covers a land area of 88.06 square miles, complemented by a minimal water area of just 0.02 square miles. The terrain features picturesque foothills and is characterized by a warm, Mediterranean climate, making it suitable for various outdoor activities.

Community & economy

The character of Rancho Cucamonga is marked by a strong sense of community, with numerous parks, recreational facilities, and cultural events throughout the year. The local economy is diverse, featuring industries such as retail, manufacturing, and logistics, providing ample job opportunities for residents. Daily life in the city is enriched by various dining, shopping, and entertainment options, making it a lively place to live.

Transportation

Rancho Cucamonga is well-connected by major highways such as Interstate 10 and Interstate 15, facilitating convenient travel to neighboring cities and regions. The nearest airports include Ontario International Airport and Los Angeles International Airport, both offering extensive flight options. Public transit options such as the Foothill Gold Line and Omnitrans buses provide residents with alternative transportation choices.

History

Founded in the late 19th century, Rancho Cucamonga has evolved from an agricultural community into a thriving suburban city. Key industries that shaped its development include citrus farming and winemaking, which played a significant role in the region’s economy during its early years. Over the decades, the city has witnessed rapid growth and development, transitioning into a prominent residential and commercial hub.

Did you know?

One surprising fact about Rancho Cucamonga is that it is home to the historic Route 66, a famous highway that symbolizes American road trips and nostalgia. Additionally, the city boasts the Victoria Gardens cultural and lifestyle center, blending shopping with art and entertainment.

ZIP codes for Rancho Cucamonga, CA (5)

ZIP code	City	County	Map
91701	Rancho Cucamonga	San Bernardino	View map
91729	Rancho Cucamonga	San Bernardino	View map
91730	Rancho Cucamonga	San Bernardino	View map
91737	Rancho Cucamonga	San Bernardino	View map
91739	Rancho Cucamonga	San Bernardino	View map

Demographics & statistics

174,790

Population

37.7

Median age

$107,186

Median household income

$44,539

Per capita income

$699,250

Median home value

$2,217

Median monthly rent

67.7%

Home ownership

7.1%

Poverty rate

5.8%

Unemployment

38,700

Housing units

38.2%

Bachelor's or higher

Age distribution

Male Female

5,810

Under 5

5,700

4,971

5–9

4,877

5,908

10–14

5,797

5,625

15–19

5,519

5,044

20–24

4,949

14,064

25–34

13,799

11,193

35–44

10,981

12,372

45–54

12,139

5,949

55–59

5,836

5,633

60–64

5,527

7,266

65–74

7,129

3,129

75–84

3,069

1,264

85+

1,240

← Male

Female →

Age summary

Group	Count	%
Under 18	39,614	22.4%
18 and over	135,176	77.6%
65 and over	23,097	14.0%
Median age	37.7 years

Race & ethnicity

White 37.7%

Hispanic or Latino 19.5%

Two or more races 12.3%

Asian 11.6%

Other race 10.7%

Black or African American 7.1%

American Indian / Alaska Native 0.9%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	81,834	37.7%
Hispanic or Latino	42,330	19.5%
Two or more races	26,747	12.3%
Asian	25,195	11.6%
Other race	23,330	10.7%
Black or African American	15,440	7.1%
American Indian / Alaska Native	2,055	0.9%
Native Hawaiian / Pacific Islander	189	0.1%

Household income

Under $10k 3.1%

$10k–$15k 2.4%

$15k–$25k 2.9%

$25k–$35k 4.4%

$35k–$50k 5.9%

$50k–$75k 13.5%

$75k–$100k 12.6%

$100k–$150k 21.6%

$150k–$200k 13.5%

$200k+ 20.3%

Range	% of households
Under $10k	3.1%
$10k–$15k	2.4%
$15k–$25k	2.9%
$25k–$35k	4.4%
$35k–$50k	5.9%
$50k–$75k	13.5%
$75k–$100k	12.6%
$100k–$150k	21.6%
$150k–$200k	13.5%
$200k+	20.3%
Median income	$107,186

Housing

Home values

Under $50k 1.3%

$50k–$100k 1.8%

$100k–$150k 1.1%

$150k–$200k 0.5%

$200k–$300k 1.6%

$300k–$500k 15.7%

$500k–$1M 62.9%

$1M+ 15.1%

Housing overview

Metric	Value
Median home value	$699,250
Median rent / month	$2,217
Owner occupied	67.7%
Renter occupied	32.3%
Vacant	3.9%
Single-family detached	68.1%
Large apartment buildings	12.3%
Mobile homes	2.4%
Median rooms	6.1
Avg household size (owned)	3.12

Year built

Era	%
2020 or later	0.2%
2010–2019	5.9%
2000–2009	20.9%
1990–1999	14.3%
1980–1989	30.8%
1970–1979	19.5%
1960–1969	5.2%
1950–1959	2.1%
1940–1949	0.4%
1939 or earlier	0.8%

Bedrooms

Size	% of units
No bedroom (studio)	1.6%
1 bedroom	7.6%
2 bedrooms	18.0%
3 bedrooms	31.6%
4 bedrooms	32.1%
5+ bedrooms	9.1%

Vehicles per household

Vehicles	% of households
No vehicle	3.1%
1 vehicle	22.1%
2 vehicles	40.2%
3 or more	34.7%

Heating fuel

Fuel type	%
Utility gas	76.9%
Electricity	18.9%
Propane / LP gas	2.1%
Fuel oil	0.1%
Wood	0.2%
Solar	0.6%
No fuel used	0.9%

Households & families

Household type	Count	%
Married-couple family	32,407	59.9%
Cohabiting couple	2,913	4.7%
Male householder, no spouse	8,059	13.0%
Female householder, no spouse	14,205	22.4%
Households with children under 18	20,131	35.1%
Households with seniors (65+)	16,158	29.2%
Average household size	3.02

Marital status

Status	Male	Female
Never married	34.5%	28.9%
Married	55.1%	52.1%
Separated	1.5%	1.9%
Widowed	1.6%	6.6%
Divorced	7.3%	10.7%

Education

Less than 9th grade 3.2%

Some HS, no diploma 4.5%

HS graduate 19.2%

Some college, no degree 24.4%

Associate's degree 10.7%

Bachelor's degree 23.4%

Graduate / professional 14.8%

Metric	%
HS diploma or higher	92.4%
Bachelor's or higher	38.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	2,255	4.5%
Kindergarten	2,150	4.1%
Elementary school	16,531	35.6%
High school	9,672	21.4%
College / grad school	16,506	34.4%

Employment

Industry of employment

Education & healthcare 26.0%

Retail trade 11.1%

Professional & management 10.4%

Transportation & utilities 8.1%

Arts, food & hospitality 8.0%

Manufacturing 7.7%

Public administration 6.8%

Finance & real estate 6.5%

Construction 5.4%

Other services 4.3%

Wholesale trade 3.1%

Information 2.2%

Agriculture & mining 0.6%

Occupation

Category	%
Management, business & arts	46.5%
Service	15.1%
Sales & office	21.2%
Natural resources & construction	5.8%
Production & transportation	11.5%

Employment type

Type	%
Private sector	74.6%
Government	19.5%
Self-employed	5.9%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	76.7%
Carpool	9.3%
Public transit	1.7%
Walk	0.6%
Other means	1.4%
Avg commute (minutes)	33.2

Poverty

All people 7.1%

Under 18 years 7.9%

18 and over 6.8%

Married-couple families 3.2%

Female-led households 15.7%

Income support

Source	% of households
Social Security	27.0%
Retirement income	24.3%
Supplemental Security	4.2%
Cash public assistance	2.7%
Food stamps / SNAP	6.0%

Health indicators

Condition	%
High blood pressure	25.7%
High cholesterol	28.8%
Heart disease	4.2%
Stroke	2.1%
Asthma	9.6%
Arthritis	17.7%
Kidney disease	2.2%
Pulmonary disease	4.3%
Cancer	4.7%

Behavior / access	%
Binge drinking	19.9%
No physical activity	18.2%
Less than 7 hrs sleep	35.3%
Fair or poor health	11.9%
Poor mental health	14.1%
Poor physical health	8.5%
No health insurance	11.2%
Visited doctor (checkup)	64.4%
Visited dentist	68.7%
Cholesterol screening	91.1%
Teeth loss	9.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	7,313	5.6%

Disability	%
Any disability	9.7%
Under 18	3.2%
18–64 years	7.0%
65 and over	32.2%

Health insurance coverage

Type	%
Private insurance	74.5%
Public insurance	30.0%
Uninsured under 19	3.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	163,280	93.8%
Spanish	18,361	10.5%
Other Indo-European	8,226	4.5%
Asian & Pacific Islander	1,382	0.9%
Other languages	7,591	4.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	139,329	80.3%
Born in same state	137,020	79.1%
Born in different state	112,847	64.5%
Foreign born	2,309	1.2%
Naturalized citizen	35,461	19.8%
Not a US citizen	22,789	65.5%

Ancestry

Ancestry	Count	%
French	10,951	6.3%
Italian	10,775	6.2%
Arab	5,126	2.9%
Polish	1,361	0.8%
English	1,284	0.7%

Ancestry	Count	%
German	583	0.3%
Dutch	473	0.3%
Irish	232	0.1%
Norwegian	155	0.1%

Technology access

Metric	% of households
Computer access	32.7%
Internet access	97.9%

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

Frequently asked questions

What ZIP codes does Rancho Cucamonga, CA have?

Rancho Cucamonga, CA has 4 ZIP codes: 91701, 91730, 91737, 91739. Each ZIP code serves a distinct delivery area within the city and surrounding region.

What is the main ZIP code for Rancho Cucamonga, CA?

The primary ZIP code for Rancho Cucamonga, CA is 91701. The city uses area code 909 or 951 for phone service.

What county is Rancho Cucamonga, CA in?

Rancho Cucamonga is located in San Bernardino County, California.

How many ZIP codes are in Rancho Cucamonga, CA?

Rancho Cucamonga, CA has 4 ZIP codes.

What ZIP code is the Rancho Cucamonga town center and downtown area located in?

The downtown Rancho Cucamonga area is primarily located in ZIP code 91730, which covers the central part of the city near the Rancho Cucamonga Metrolink Station.

Which ZIP code covers the California State University, San Bernardino campus area in Rancho Cucamonga?

Cal State San Bernardino's campus in Rancho Cucamonga is located in ZIP code 91737, in the northern part of the city.