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ZIP code 91789
Walnut, CA · Los Angeles County
About ZIP code 91789
- ZIP code 91789 is in Walnut, Los Angeles County, California.
- About 40,298 people live in it, which is 980.6 people per square mile.
- Time zone: Pacific Standard Time.
- The middle of the ZIP code is at 34.019, -117.854.
A ZIP code is a mail delivery area, not a town border, and one ZIP code can cover parts of several towns. To check a single address, use the US Postal Service lookup.
Walnut, CA
ZIP code 91789 is the post office name for Walnut, CA. 27,611 people live in Walnut. Typical household income is $129,449. A typical home costs $1,014,000.
- Stronger than most towns on: Pleasant weather for being outdoors, Public transit and Airport access.
- Weaker than most towns on: Cost of living, Clean air and low disaster risk and Housing affordability.
Nearby ZIP codes
- 91792 West Covina · 30,629 people
- 91765 Diamond Bar · 44,502 people
- 91791 West Covina · 33,028 people
- 91748 Rowland Heights · 42,463 people
- 91724 Covina · 28,352 people
- 91744 La Puente · 76,942 people
- 91768 Pomona · 34,200 people
- 91723 Covina · 17,733 people
ZIP code list from SimpleMaps US Zips. Population is a US Census Bureau estimate. These are estimates, so check official sources before you decide.