ZIP code 91784
Where is ZIP code 91784?
Upland, California
San Bernardino County · Standard ZIP code
ZIP code 91784 belongs to Upland, California in San Bernardino County. 91784 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 26,886 people live in the 91784 area, where the median household income is $154,349. The closest ZIP codes are 91785 (Upland, 1.8 mi south), 91786 (Upland, 1.8 mi south) and 91701 (Rancho Cucamonga, 3.3 mi east).
| ZIP code | 91784 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Upland |
| State | California (CA) |
| County | San Bernardino County |
| Time zone | Pacific Time · now |
| Area codes | 840, 909 |
| Coordinates | 34.141, -117.6581 map |
| 3-digit prefix | 917 |
Population and income in 91784
| Population | 26,886 · higher than 61% of California ZIP codes |
|---|---|
| People per square mile | 2,942 · higher than 64% of California ZIP codes |
| Median age | 46.6 years · higher than 76% of California ZIP codes |
| Men / women | 50% / 51% |
| Median household income | $154,349 · higher than 89% of California ZIP codes |
| Income per person | $60,591 |
| Below the poverty line | 6.5% |
| Bachelor’s degree or higher | 47% of adults 25+ |
| Median home value | $891,600 · higher than 70% of California ZIP codes |
| Median rent | $2,945 a month |
| Housing units | 9,303 |
| Households | 8,993 (2.98 people on average) |
| Owners / renters | 85% / 15% |
| Land area | 9.14 sq mi (plus 0.2 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 91784. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 91784
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 91785 | Upland, CA | 1.8 mi S | PO Box only |
| 91786 | Upland, CA | 1.8 mi S | Standard |
| 91701 | Rancho Cucamonga, CA | 3.3 mi E | Standard |
| 91711 | Claremont, CA | 4.1 mi SW | Standard |
| 91730 | Rancho Cucamonga, CA | 4.3 mi SE | Standard |
| 91729 | Rancho Cucamonga, CA | 4.4 mi SE | PO Box only |
| 91737 | Rancho Cucamonga, CA | 4.5 mi E | Standard |
| 91764 | Ontario, CA | 4.8 mi SE | Standard |
| 91763 | Montclair, CA | 5.2 mi SW | Standard |
| 91758 | Ontario, CA | 5.4 mi S | Standard |
| 91762 | Ontario, CA | 5.7 mi S | Standard |
| 91767 | Pomona, CA | 6.1 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 91784 or measure the distance to another ZIP code.
How to address mail to 91784
123 MAIN ST
UPLAND CA 91784
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (91784-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Upland, CA
All Upland ZIP codes with population and income →
Questions
- What city is ZIP code 91784?
- 91784 is a Upland, California ZIP code.
- What county is 91784 in?
- ZIP code 91784 is in San Bernardino County, California.
- What time zone is ZIP code 91784 in?
- 91784 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 91784?
- Phone numbers in ZIP code 91784 use area codes 840 and 909.
- What is the population of ZIP code 91784?
- About 26,886 people live in ZIP code 91784, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 91784?
- The median household income in 91784 is $154,349 a year, higher than 89% of California ZIP codes.
- What ZIP codes are near 91784?
- The nearest ZIP codes to 91784 are 91785 (Upland, 1.8 miles), 91786 (Upland, 1.8 miles), 91701 (Rancho Cucamonga, 3.3 miles) and 91711 (Claremont, 4.1 miles).