There were nearly 565,000 illegal border crossers reported in Arizona in fiscal 2024, according to U.S. Customs and Border Protection data.
Arizona’s 378 miles of shared border with Mexico is staffed by CBP and Border Patrol agents in the CBP sectors of Tucson and Yuma. Tucson Sector’s 262-mile shared border with Mexico extends from the Yuma County line to the Arizona-New Mexico state line. Yuma Sector’s nearly 182,000 square miles of primarily desert terrain extends from Imperial Sand Dunes in California to the Yuma-Pima County line.
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