ZIP Code 91789 Population
Walnut, California
Population
43,973
Households
13,126
Median Age
43.5
Population Details
| Average Household Size | 3.35 persons |
|---|---|
| Data Source | US Census Bureau, 2012–2016 ACS 5-year estimates |
Frequently Asked Questions
ZIP code 91789 (Walnut, CA) has a population of 43,973 according to US Census Bureau, 2012–2016 ACS 5-year estimates.
There are 13,126 households in ZIP code 91789.