ZIP code 91730
Where is ZIP code 91730?
Rancho Cucamonga, California
San Bernardino County · Standard ZIP code
ZIP code 91730 belongs to Rancho Cucamonga, California in San Bernardino County. 91730 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Pacific Time zone and uses area codes 840 and 909. About 71,613 people live in the 91730 area, where the median household income is $92,237. The closest ZIP codes are 91729 (Rancho Cucamonga, 0.1 mi southeast), 91701 (Rancho Cucamonga, 2.1 mi north) and 91764 (Ontario, 2.8 mi southwest).
| ZIP code | 91730 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Rancho Cucamonga |
| Also accepted | Rch Cucamonga |
| State | California (CA) |
| County | San Bernardino County |
| Time zone | Pacific Time · now |
| Area codes | 840, 909 |
| Coordinates | 34.107, -117.5941 map |
| 3-digit prefix | 917 |
Population and income in 91730
| Population | 71,613 · higher than 97% of California ZIP codes |
|---|---|
| People per square mile | 5,216 · higher than 74% of California ZIP codes |
| Median age | 36.3 years · lower than 70% of California ZIP codes |
| Men / women | 48% / 52% |
| Median household income | $92,237 · lower than 52% of California ZIP codes |
| Income per person | $41,038 |
| Below the poverty line | 10% |
| Bachelor’s degree or higher | 33% of adults 25+ |
| Median home value | $616,300 · lower than 55% of California ZIP codes |
| Median rent | $2,299 a month |
| Housing units | 26,697 |
| Households | 25,836 (2.76 people on average) |
| Owners / renters | 47% / 53% |
| Land area | 13.73 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 91730. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 91730
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 91729 | Rancho Cucamonga, CA | 0.1 mi SE | PO Box only |
| 91701 | Rancho Cucamonga, CA | 2.1 mi N | Standard |
| 91764 | Ontario, CA | 2.8 mi SW | Standard |
| 91737 | Rancho Cucamonga, CA | 2.9 mi N | Standard |
| 91743 | Guasti, CA | 2.9 mi S | PO Box only |
| 91785 | Upland, CA | 3.7 mi W | PO Box only |
| 91786 | Upland, CA | 3.7 mi W | Standard |
| 91784 | Upland, CA | 4.3 mi NW | Standard |
| 91758 | Ontario, CA | 4.4 mi SW | Standard |
| 91762 | Ontario, CA | 5.3 mi SW | Standard |
| 91761 | Ontario, CA | 5.4 mi S | Standard |
| 91739 | Rancho Cucamonga, CA | 6.2 mi NE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 91730 or measure the distance to another ZIP code.
How to address mail to 91730
123 MAIN ST
RANCHO CUCAMONGA CA 91730
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts RCH CUCAMONGA as the city name for 91730. Avoid Cucamonga: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (91730-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Rancho Cucamonga, CA
All Rancho Cucamonga ZIP codes with population and income →
Questions
- What city is ZIP code 91730?
- 91730 is a Rancho Cucamonga, California ZIP code. Rch Cucamonga is also accepted as the city name.
- What county is 91730 in?
- ZIP code 91730 is in San Bernardino County, California.
- What time zone is ZIP code 91730 in?
- 91730 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 91730?
- Phone numbers in ZIP code 91730 use area codes 840 and 909.
- What is the population of ZIP code 91730?
- About 71,613 people live in ZIP code 91730, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 91730?
- The median household income in 91730 is $92,237 a year, lower than 52% of California ZIP codes.
- What ZIP codes are near 91730?
- The nearest ZIP codes to 91730 are 91729 (Rancho Cucamonga, 0.1 miles), 91701 (Rancho Cucamonga, 2.1 miles), 91764 (Ontario, 2.8 miles) and 91737 (Rancho Cucamonga, 2.9 miles).