
Rancho San Diego
- County:
- San Diego County
- County Seat:
- No
- Area (mi²):
- 8.696
- State:
- California
Rancho San Diego is a CDP located in San Diego County, California. Rancho San Diego has a 2025 population of 22,735. Rancho San Diego is currently growing at a rate of 0.45% annually and its population has increased by 5.86% since the most recent census, which recorded a population of 21,476 in 2020.
The average household income in Rancho San Diego is $154,571 with a poverty rate of 6.95%. The median age in Rancho San Diego is 43.3 years: 40.6 years for males, and 45.3 years for females.