Walnut, CA ZIP Codes
1
Total ZIPs
43,079
Total Population
ZIP Codes in Walnut, CA
| ZIP Code | Population | Density | Timezone |
|---|---|---|---|
| 91789 | 43,079 | 1,064 | America/Los_Angeles |
All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.