ZIP Code 90721
About Los Alamitos
Los Alamitos is a city in Orange County, California, United States. It was incorporated in March 1960. Its population was 11,780 in the 2020 census, up from 11,449 in 2010. A significant part of the city is occupied by Joint Forces Training Base – Los Alamitos, and it hosts the USA Water Polo National Aquatic Center.
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