📍 View location on OpenStreetMap (33.987250, -117.814730)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 91765 |
| Primary City | Diamond Bar |
| State / Province | CA |
| County | Los Angeles |
| Total Population | 44,502 |
| Population Density | 925.1 people/sq mi |
| Timezone | America/Los_Angeles |
| Metric | ZIP 91765 | Los Angeles County records | CA records |
|---|---|---|---|
| Population estimate | 44,502 | 9,807,501 (sum) | 39,286,245 (sum) |
| Population Density | 925.1 /sq mi | -- | -- |
| County population rank | #75 of 288 | -- | -- |
| State population rank | #314 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 91789 | Walnut | 3.1 mi | 40,298 |
| ZIP 92823 | Brea | 4.4 mi | 5,846 |
| ZIP 91748 | Rowland Heights | 4.9 mi | 42,463 |
| ZIP 91766 | Pomona | 5.0 mi | 69,327 |
| ZIP 92821 | Brea | 5.1 mi | 41,623 |
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 →