Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — CITY/CA/RANCHO-CUCAMONGA

Rancho Cucamonga ZIP codes, California

Rancho Cucamonga, CA has 5 ZIP codes (91730, 91701, 91739, 91737 and 91729) and area codes 909 and 840. The largest is 91730.

USPS city name
5 ZIP codes
Overlapping the city
3 more
Population
175,411
Area codes
909, 840

NANPA lists no telephone rate centre for Rancho Cucamonga itself, so these are the area codes of the nearest one, Ontario (2.3 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Rancho Cucamonga uses the ZIP codes above. 3 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Rancho Cucamonga in numbers

About 175,411 people live in Rancho Cucamonga, in 58,835 households, the 28th-largest of California's 1,568 census places. The median household income is $111,895 a year, 13% above the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $740,200 (about the same as the California median), and median gross rent is $2,357 a month. The median age is 38.6; 37.5% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 32 minutes.

Population175,411Rancho Cucamonga175,411
Households58,835Rancho Cucamonga58,835
Median age38.6Rancho Cucamonga38.6California37.9US 38.9
Median household income$111,895Rancho Cucamonga$111,895California$99,122US $80,734
Median home value$740,200Rancho Cucamonga$740,200California$734,700US $332,700
Median gross rent$2,357Rancho Cucamonga$2,357California$2,036US $1,413
Bachelor's degree or higher37.5%Rancho Cucamonga37.5%California37.1%US 35.7%
Mean commute32.3 minRancho Cucamonga32.3 minCalifornia28.7 minUS 26.4 min
Population density3,771 / sq miRancho Cucamonga3,771 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Rancho Cucamonga city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Rancho Cucamonga

ZIP codes with the USPS city name Rancho Cucamonga
ZIP City Type Population Median income Median home
91730 Rancho Cucamonga , CA Standard 71,613 $92,237 $616,300
91701 Rancho Cucamonga , CA Standard 39,287 $114,244 $795,300
91739 Rancho Cucamonga , CA Standard 41,673 $143,265 $895,000
91737 Rancho Cucamonga , CA Standard 22,958 $122,334 $878,400
91729 Rancho Cucamonga , CA No street area — — —

Other ZIP codes overlapping Rancho Cucamonga

These ZIP codes cover part of Rancho Cucamonga but are addressed as somewhere else.

ZIP codes overlapping Rancho Cucamonga
ZIP City Type Population Median income Median home
91784 Upland , CA Standard 26,886 $154,349 $891,600
92336 Fontana , CA Standard 105,517 $123,363 $627,700
92358 Lytle Creek , CA Standard 672 $86,394 $479,800

Map of Rancho Cucamonga ZIP codes

9173091701917399173791729

The ZIP codes of Rancho Cucamonga, CA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Rancho Cucamonga

The nearest larger towns are Fontana (214,169 people, 6.1 mi), Ontario (180,547 people, 6.8 mi) and San Bernardino (222,724 people, 16 mi).

Towns near Rancho Cucamonga
TownPopulationDistance
Upland 79,257 5.5 mi
San Antonio Heights 3,458 5.6 mi
Fontana 214,169 6.1 mi
Ontario 180,547 6.8 mi
Claremont 36,595 8.5 mi
Montclair 37,810 8.6 mi
Rialto 104,143 10.2 mi
Jurupa Valley 107,011 10.5 mi
Bloomington 25,698 10.6 mi
Eastvale 70,633 11.6 mi
La Verne 30,600 11.7 mi
Chino 92,652 11.8 mi
Pomona 147,943 12.2 mi
Muscoy 12,025 12.6 mi

More nearby: every ZIP code in San Bernardino County · California ZIP codes

Cite this page

zipcodes.pro. “Rancho Cucamonga, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/rancho-cucamonga

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