San Clemente
- County:
- Orange County
- County Seat:
- No
- Area (mi²):
- 18.343
- State:
- California
San Clemente is a city located in Orange County, California. San Clemente has a 2026 population of 62,627. San Clemente is currently declining at a rate of -0.09% annually and its population has decreased by -2.48% since the most recent census, which recorded a population of 64,217 in 2020.