📍 View location on OpenStreetMap (34.018580, -117.854080)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 91789 |
| Primary City | Walnut |
| State / Province | CA |
| County | Los Angeles |
| Total Population | 40,298 |
| Population Density | 980.6 people/sq mi |
| Timezone | America/Los_Angeles |
| Metric | ZIP 91789 | Los Angeles County records | CA records |
|---|---|---|---|
| Population estimate | 40,298 | 9,807,501 (sum) | 39,286,245 (sum) |
| Population Density | 980.6 /sq mi | -- | -- |
| County population rank | #96 of 288 | -- | -- |
| State population rank | #380 of 1,762 | -- | -- |
Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.
| ZIP Code | City | Distance | Population estimate |
|---|---|---|---|
| ZIP 91792 | West Covina | 2.7 mi | 30,629 |
| ZIP 91765 | Diamond Bar | 3.1 mi | 44,502 |
| ZIP 91791 | West Covina | 3.7 mi | 33,028 |
| ZIP 91748 | Rowland Heights | 3.9 mi | 42,463 |
| ZIP 91724 | Covina | 4.3 mi | 28,352 |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →