 Tecate is an unincorporated community on the border is similarly 96% Mexican or Latino.The other 9 largest communities by percentage are found in the California cities of Coachella, Huron, McFarland, Mecca (unincorporated), Mendota, Oasis (unincorporated), Parlier, San Fernando, and Thermal (unincorporated).There are Mexican American majority regions in Central California and Southern California as well in southern Texas and southern Arizona.