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91730 ZIP Code

ZIP Code: 91730 Rancho Cucamonga

Extra Details of ZIP Code 91730

ZIP Code 91730
Zip Code Type Standard
State California - CA
Official Zip Code Name Rancho Cucamonga
Primary County San Bernardino
Area Code (s) 909
Racial Majority 34.88%
Elevation Range 1217 - 1444 ft.

Data: State Statistics Office | Updated on: Apr 30, 2026

How to write a U.S. envelope?

The first step is to write the recipient address:
First, you need to fill in the recipient's mailing information in the center of the envelope. The first line is also the recipient's name. When writing the recipient's name, pay attention to the title, and write the person's title and name in the middle of the envelope. On the second line, write the recipient's full address, including any associated apartment or suite numbers. The more detailed the better. The third line writes the recipient's city, state, and zip code, this information is the last line of the address.

The second step is to write the reply address:
The return address is three lines, the first line will be the sender's name. The second line writes the sender's detailed address, including the street address, please remember to write the house number. On the third line write your city, state abbr, and zip code.

Finally, don't forget to stick the stamp on the right top corner. Otherwise, the letter will not go into the delivery process.

How to Read Zip Code

Population and Employment

population

74,843

Unemployment Rate
4.7%
Poverty Rate
9.7%
Non-Citizens
9.2%

Location of Zip Code 91730

On this map you can see exactly where postcodes are located within Germany.

Gender & Age Statistics

Gender

  • Male
    48%
  • Female
    52%

Age

  • <10 years
    13%
  • 10-17 years
    9%
  • 18-34 years
    29%
  • 35-64 years
    37%
  • 65+ years
    11%

91730 Demographics

Racial Diversity

  • White
    27%
  • African American
    13%
  • Hispanic
    41%
  • American Indian or Alaska native
    0%
  • Asian & Other race
    14%

Education Levels

  • Master's degree or above
    10%
  • Bachelor's degree
    20%
  • Some college or associate degree
    38%
  • High school diploma or vocational degree
    19%
  • Less than high school diploma
    12%

91730 Income

Median Household Income

$74,943

National $64,994

Household Income Brackets

  • <$30k
    14%
  • $30-$44k
    14%
  • $45-$84k
    22%
  • $85-$149k
    33%
  • $150k+
    17%

Median Individual Income

$34,036

National $32,197

Individual Income Brackets

  • <$20k
    25%
  • $20-$34k
    26%
  • $35-$74k
    24%
  • $75k+
    25%

Online Business Directory

Whether you're looking for hotels, hairdressers, doctors or lawyers in Rancho Cucamonga, CA. You can find these phone numbers in our phone book. With us, you can easily book a restaurant or hotel in your location. You can also find reputable real estate agents and insurance agents. Everything you need is easily accessible here!

Lamano Law Office
505 14th St #900, Oakland, 94612

California Center for Functional Medicine
264 Arlington Ave, Kensington, 94707

AMAVI Home Health and Hospice Care Services, Inc.
131 Sand Creek Rd. Suite K, Brentwood, 94513

Geo Grout Ground Modification Specialist Inc.
2194 Palou Ave, San Francisco, 94124

J Brown Painting
2037 Diamond St, San Diego, 92109

Baba Software
4575 Hilo Street, Fremont, 94538

DeluxeDriving
229 Polaris Ave #7 Mountain View, CA, Mountain View, 94043

Chudnovsky Law – Criminal & DUI Lawyers
23 Corporate Plaza Dr, Suite 150, Newport Beach, 92660

Schools Serving Rancho Cucamonga

Terra Vista Elementary
7497 Mountain View Dr. Cucamonga, CA 91730

Valle Vista Elementary
7727 Valle Vista Dr. Rancho Cucamonga, CA 91730

Cucamonga Elementary
8677 Archibald Ave. Rancho Cucamonga, CA 91730

Rancho Cucamonga Middle
8776 Archibald Ave. Rancho Cucamonga, CA 91730

Cucamonga Middle
7611 Hellman Ave. Rancho Cucamonga, CA 91730

Los Amigos Elementary
8776 Archibald Ave. Rancho Cucamonga, CA 91730

Library Rancho Cucamonga

West End Branch
100 Charenton Road Rancho Cucamonga, CA 91730

Paul A. Biane Library
12505 Cultural Center Drive Rancho Cucamonga, CA 91739

Rancho Cucamonga Bookmobile
7368 Archibald Rancho Cucamonga, CA 91730

Archibald Library
7368 Archibald Avenue Rancho Cucamonga, CA 91730

Rancho Cucamonga Public Library
7368 Archibald Avenue Rancho Cucamonga, CA 91730

Museum Rancho Cucamonga

Casa De Rancho Cucamonga Historical Society
Po Box 401 Rancho Cucamonga, CA 91729

Route 66 Ie Ca
10808 Foothill Blvd Ste 160-416 Rancho Cucamonga, CA 91730-3889

Wignall Museum And Gallery
5885 Haven Ave Rancho Cucamonga, CA 91737

California Historic Route 66 Association
8816 Foothill Blvd Suite 103-66 Rancho Cucamonga, CA 91730-7199

Chaffey Community Museum Of Art
12467 Baseline Rd Rancho Cucamonga, CA 91739

Hospital Rancho Cucamonga

University Rancho Cucamonga

Universal Technical Institute Of California Inc
9494 Haven Avenue Rancho Cucamonga, CA 91730-0000

The Fab School
9571 Pittsburgh Avenue Rancho Cucamonga, CA 91730

Chaffey College
5885 Haven Ave Rancho Cucamonga, CA 91737-3002