📍 View location on OpenStreetMap (34.162200, -117.515580)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 91739 |
| Primary City | Rancho Cucamonga |
| State / Province | CA |
| County | San Bernardino |
| Total Population | 41,673 |
| Population Density | 566.1 people/sq mi |
| Timezone | America/Los_Angeles |
| Metric | ZIP 91739 | San Bernardino County records | CA records |
|---|---|---|---|
| Population estimate | 41,673 | 2,188,912 (sum) | 39,286,245 (sum) |
| Population Density | 566.1 /sq mi | -- | -- |
| County population rank | #22 of 85 | -- | -- |
| State population rank | #355 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 91737 | Rancho Cucamonga | 3.6 mi | 22,958 |
| ZIP 92336 | Fontana | 3.6 mi | 105,517 |
| ZIP 91701 | Rancho Cucamonga | 5.1 mi | 39,287 |
| ZIP 91730 | Rancho Cucamonga | 5.7 mi | 71,613 |
| ZIP 92335 | Fontana | 5.9 mi | 97,511 |
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 →