San Juan Capistrano
- County:
- Orange County
- County Seat:
- No
- Area (mi²):
- 14.43
- State:
- California
San Juan Capistrano is a city located in Orange County, California. San Juan Capistrano has a 2026 population of 35,469. San Juan Capistrano is currently growing at a rate of 1.25% annually and its population has increased by 0.88% since the most recent census, which recorded a population of 35,159 in 2020.