ZIP code 91791
Where is ZIP code 91791?
West Covina, California
Los Angeles County · Standard ZIP code
ZIP code 91791 belongs to West Covina, California in Los Angeles County. 91791 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 626, 840 and 909. About 33,028 people live in the 91791 area, where the median household income is $102,266. The closest ZIP codes are 91723 (Covina, 1.6 mi northeast), 91790 (West Covina, 2.2 mi west) and 91722 (Covina, 2.3 mi north).
| ZIP code | 91791 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | West Covina |
| State | California (CA) |
| County | Los Angeles County |
| Time zone | Pacific Time · now |
| Area codes | 626, 840, 909 |
| Coordinates | 34.0653, -117.8978 map |
| 3-digit prefix | 917 |
Population and income in 91791
| Population | 33,028 · higher than 69% of California ZIP codes |
|---|---|
| People per square mile | 4,973 · higher than 74% of California ZIP codes |
| Median age | 43.4 years · higher than 65% of California ZIP codes |
| Men / women | 48% / 52% |
| Median household income | $102,266 · higher than 58% of California ZIP codes |
| Income per person | $44,351 |
| Below the poverty line | 9.1% |
| Bachelor’s degree or higher | 33% of adults 25+ |
| Median home value | $843,600 · higher than 66% of California ZIP codes |
| Median rent | $1,915 a month |
| Housing units | 11,320 |
| Households | 10,821 (3.04 people on average) |
| Owners / renters | 65% / 36% |
| Land area | 6.64 sq mi (plus 0.02 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 91791. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 91791
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 91723 | Covina, CA | 1.6 mi NE | Standard |
| 91790 | West Covina, CA | 2.2 mi W | Standard |
| 91722 | Covina, CA | 2.3 mi N | Standard |
| 91793 | West Covina, CA | 2.4 mi W | PO Box only |
| 91792 | West Covina, CA | 2.9 mi S | Standard |
| 91724 | Covina, CA | 3.1 mi NE | Standard |
| 91744 | La Puente, CA | 3.4 mi SW | Standard |
| 91788 | Walnut, CA | 3.6 mi SE | PO Box only |
| 91789 | Walnut, CA | 4.1 mi SE | Standard |
| 91702 | Azusa, CA | 4.1 mi N | Standard |
| 91747 | La Puente, CA | 4.3 mi SW | PO Box only |
| 91749 | La Puente, CA | 4.3 mi SW | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 91791 or measure the distance to another ZIP code.
How to address mail to 91791
123 MAIN ST
WEST COVINA CA 91791
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (91791-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in West Covina, CA
All West Covina ZIP codes with population and income →
Questions
- What city is ZIP code 91791?
- 91791 is a West Covina, California ZIP code.
- What county is 91791 in?
- ZIP code 91791 is in Los Angeles County, California.
- What time zone is ZIP code 91791 in?
- 91791 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 91791?
- Phone numbers in ZIP code 91791 use area codes 626, 840 and 909.
- What is the population of ZIP code 91791?
- About 33,028 people live in ZIP code 91791, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 91791?
- The median household income in 91791 is $102,266 a year, higher than 58% of California ZIP codes.
- What ZIP codes are near 91791?
- The nearest ZIP codes to 91791 are 91723 (Covina, 1.6 miles), 91790 (West Covina, 2.2 miles), 91722 (Covina, 2.3 miles) and 91793 (West Covina, 2.4 miles).