What are the 5 least-populated cities in Orange County, California? The smallest has fewer than 6,000 residents. According to the U.S. Census Bureau's July 2025 population estimates, these are the five smallest incorporated cities in the county by population:
5. Laguna Beach — about 22,400 residents
4. Laguna Woods — about 16,800 residents
3. La Palma — about 14,900 residents
2. Los Alamitos — about 11,700 residents
1. Villa Park — about 5,600 residents
Villa Park is the smallest incorporated city in Orange County by population, but La Palma is the smallest by land area. From the coastal community of Laguna Beach to the residential streets of Villa Park, Orange County offers a wide variety of places to call home.
If you're moving to Orange County and want help comparing cities, reach out — Katherine is happy to help.
Source: U.S. Census Bureau, July 1, 2025 population estimates. Figures are rounded.