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County Information



Some of the cities, towns, and places in Yuma County are Arizona City, Avenue B and C, Aztec, Buckshot, Castle Dome, Castle Dome Landing, Cocopah Indian Reservation, Colorado City, Dateland, Dome, Donovan Estates, Drysdale, El Prado Estates, Filibusters Camp, Fort Yuma Indian Reservation, Fortuna, Fortuna Foothills, Gadsden, Gila City, Hyder, Kofa, La Laguna, Martinez Lake, Mission Camp, Mohawk, Orange Grove Mobile Home Manor, Owl, Padre Ranchitos, Pedrick's, Polaris, Rancho Mesa Verde, Roll, San Luis, Somerton, Tacna, Wall Lane, Wellton, Wellton Hills, Yuma, Yuma Proving Ground



Yuma County is a county in the southwestern corner of the U.S. state of Arizona. As of the 2010 census, its population was 195,751. The county seat is Yuma.Yuma County includes the Yuma, Arizona Metropolitan Statistical Area. The county borders three states: Sonora, Mexico, to the south, and two other states to the west, across the Colorado River: California of the United States and the Mexican state of Baja California.