Caborca is the municipal seat of the Caborca Municipality in the Mexican state of Sonora. The city has a population of 67,604, while the municipal population was 89,122 as of 2020. Municipal boundaries are with Pima County, Arizona, in the United States of America in the north, Altar in the east, Pitiquito in the southeast, Puerto Peñasco and Plutarco Elías Calles in the northwest, and the Gulf of California in the southwest. Caborca lies on Federal Highway 2, which connects the state's capital Hermosillo with the cities of Mexicali and Tijuana in the state of Baja California. The four-lane Hermosillo highway connects the four-lane Santa Ana-Caborca highway.