📍 View location on OpenStreetMap (32.814670, -116.719290)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 91901 |
| Primary City | Alpine |
| State / Province | CA |
| County | San Diego |
| Total Population | 18,197 |
| Population Density | 90.2 people/sq mi |
| Timezone | America/Los_Angeles |
| Metric | ZIP 91901 | San Diego County records | CA records |
|---|---|---|---|
| Population estimate | 18,197 | 3,322,512 (sum) | 39,286,245 (sum) |
| Population Density | 90.2 /sq mi | -- | -- |
| County population rank | #71 of 112 | -- | -- |
| State population rank | #852 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 91931 | Guatay | 8.2 mi | 494 |
| ZIP 91916 | Descanso | 8.4 mi | 1,710 |
| ZIP 91935 | Jamul | 8.7 mi | 9,114 |
| ZIP 92021 | El Cajon | 9.1 mi | 70,501 |
| ZIP 92019 | El Cajon | 9.2 mi | 45,351 |
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 →