Seal Beach
- County:
- Orange County
- County Seat:
- No
- Area (mi²):
- 11.305
- State:
- California
Seal Beach is a city located in Orange County, California. Seal Beach has a 2026 population of 24,421. Seal Beach is currently declining at a rate of -0.15% annually and its population has decreased by -3.06% since the most recent census, which recorded a population of 25,191 in 2020.