Rancho Cucamonga, CA ZIP codes
Rancho Cucamonga, California has 5 ZIP codes, including 1 PO Box ZIP. They are in San Bernardino County.
- Population in these ZIPs
- 175,531
- Avg. median income
- $113,200population-weighted
- Typical home value
- $809,400population-weighted
- Metro area
- Riverside-San Bernardino-Ontario, CA
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Rancho Cucamonga, CA ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 91701 | San Bernardino County | 39,287 | $114,244 | $830,800 |
| 91729 PO Box | San Bernardino County | — | — | — |
| 91730 | San Bernardino County | 71,613 | $92,237 | $670,300 |
| 91737 | San Bernardino County | 22,958 | $122,334 | $941,200 |
| 91739 | San Bernardino County | 41,673 | $143,265 | $955,600 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Rancho Cucamonga
- Upland 5 mi
- Ontario 6 mi
- Fontana 7 mi
- Lytle Creek 8 mi
- Claremont 8 mi
- Montclair 8 mi
- Mira Loma 10 mi
- Rialto 10 mi
- La Verne 11 mi
- Mount Baldy 12 mi
- Bloomington 12 mi
- Pomona 12 mi
Frequently asked questions
What is the ZIP code for Rancho Cucamonga, CA?
Rancho Cucamonga, CA has 5 ZIP codes: 91701, 91729, 91730, 91737 and 91739.
What county is Rancho Cucamonga, California in?
Rancho Cucamonga ZIP codes are in San Bernardino County.
Which Rancho Cucamonga ZIP codes are PO Boxes?
91729 is a PO Box or single-organization ZIP code; it has no residential delivery area.