ZIP code 91765
Where is ZIP code 91765?
Diamond Bar, California
Los Angeles County · Standard ZIP code
ZIP code 91765 belongs to Diamond Bar, California in Los Angeles County. 91765 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 562, 657, 714, 840 and 909. About 44,502 people live in the 91765 area, where the median household income is $105,565. The closest ZIP codes are 91789 (Walnut, 2.7 mi west), 91788 (Walnut, 3.3 mi west) and 91766 (Pomona, 3.9 mi northeast).
| ZIP code | 91765 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Diamond Bar |
| Also accepted | Pomona |
| State | California (CA) |
| County | Los Angeles County |
| Time zone | Pacific Time · now |
| Area codes | 562, 657, 714, 840, 909 |
| Coordinates | 34.0066, -117.8098 map |
| 3-digit prefix | 917 |
Population and income in 91765
| Population | 44,502 · higher than 82% of California ZIP codes |
|---|---|
| People per square mile | 2,397 · higher than 61% of California ZIP codes |
| Median age | 46 years · higher than 74% of California ZIP codes |
| Men / women | 48% / 52% |
| Median household income | $105,565 · higher than 62% of California ZIP codes |
| Income per person | $48,949 |
| Below the poverty line | 11% |
| Bachelor’s degree or higher | 54% of adults 25+ |
| Median home value | $915,100 · higher than 72% of California ZIP codes |
| Median rent | $2,486 a month |
| Housing units | 16,078 |
| Households | 15,233 (2.91 people on average) |
| Owners / renters | 78% / 23% |
| Land area | 18.57 sq mi (plus 0.01 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 91765. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 91765
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 91789 | Walnut, CA | 2.7 mi W | Standard |
| 91788 | Walnut, CA | 3.3 mi W | PO Box only |
| 91766 | Pomona, CA | 3.9 mi NE | Standard |
| 91768 | Pomona, CA | 4.5 mi NE | Standard |
| 91769 | Pomona, CA | 4.7 mi NE | PO Box only |
| 91709 | Chino Hills, CA | 4.9 mi E | Standard |
| 91792 | West Covina, CA | 5.1 mi W | Standard |
| 91748 | Rowland Heights, CA | 5.3 mi W | Standard |
| 92823 | Brea, CA | 5.8 mi S | Standard |
| 91791 | West Covina, CA | 6.5 mi NW | Standard |
| 91724 | Covina, CA | 6.6 mi NW | Standard |
| 91773 | San Dimas, CA | 6.6 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 91765 or measure the distance to another ZIP code.
How to address mail to 91765
123 MAIN ST
DIAMOND BAR CA 91765
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts POMONA as the city name for 91765. Adding the 4-digit ZIP+4 code (91765-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 91765?
- 91765 is a Diamond Bar, California ZIP code. Pomona is also accepted as the city name.
- What county is 91765 in?
- ZIP code 91765 is in Los Angeles County, California.
- What time zone is ZIP code 91765 in?
- 91765 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 91765?
- Phone numbers in ZIP code 91765 use area codes 562, 657, 714, 840 and 909.
- What is the population of ZIP code 91765?
- About 44,502 people live in ZIP code 91765, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 91765?
- The median household income in 91765 is $105,565 a year, higher than 62% of California ZIP codes.
- What ZIP codes are near 91765?
- The nearest ZIP codes to 91765 are 91789 (Walnut, 2.7 miles), 91788 (Walnut, 3.3 miles), 91766 (Pomona, 3.9 miles) and 91768 (Pomona, 4.5 miles).