City facts
Rancho Cucamonga zip codes
4 zip codes cover Rancho Cucamonga: 91701, 91730, 91737, 91739.
Zip code map
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91701
- Residents
- 38,597
- Median income
- $113,576
- Home value
- $718,800
- Rent
- $2,232
Almost entirely in Rancho Cucamonga · 7.4 sq mi
91730- Residents
- 71,692
- Median income
- $89,654
- Home value
- $595,400
- Rent
- $2,240
Almost entirely in Rancho Cucamonga · 13.7 sq mi
91737- Residents
- 22,797
- Median income
- $116,903
- Home value
- $843,500
- Rent
- $2,263
About 63% of this zip is in Rancho Cucamonga · 10.1 sq mi
91739- Residents
- 41,722
- Median income
- $141,475
- Home value
- $860,200
- Rent
- $2,508
About 43% of this zip is in Rancho Cucamonga · 28.4 sq mi
Questions
What zip codes are in Rancho Cucamonga?
91701, 91730, 91737, 91739. Some also cover parts of neighboring areas.
What is the most populated zip code in Rancho Cucamonga?
91730, with about 71,692 residents.
Are zip codes the same as Census ZCTAs?
Almost. The Census Bureau’s ZIP Code Tabulation Areas approximate USPS zip codes so statistics can be published for them; PO box–only zips have no area and aren’t listed.
Source: U.S. Census Bureau 2020 ZIP Code Tabulation Areas, 2023 Gazetteer and ACS 2019–2023.