Rancho San Diego
| Rancho San Diego | |
|---|---|
 Location in San Diego County
|
|
| Basic data | |
| State : | United States |
| State : | California |
| County : | San Diego County |
| Coordinates : | 32 ° 46 ′ N , 116 ° 55 ′ W |
| Time zone : | Pacific ( UTC − 8 / −7 ) |
| Residents : | 20,155 (as of: 2000) |
| Population density : | 876.3 inhabitants per km 2 |
| Area : | 23.0 km 2 (approx. 9 mi 2 ) of which 23.0 km 2 (approx. 9 mi 2 ) are land |
| Height : | 111 m |
| Postal code : | 91978 |
| Area code : | +1 619 |
| FIPS : | 06-59550 |
| GNIS ID : | 1867053 |
Rancho San Diego is a city in San Diego County in the US state of California , United States , with a population of 21,000 (as of 2004 ). The urban area has a size of 23.0 km². California State Routes 54 and 94 run through Rancho San Diego .