Reeves County is a county located in the U.S. state of Texas. As of the 2020 census, its population was 14,748. Its county seat and most populous city is Pecos. The county was created in 1883 and organized the next year. It is named for George R. Reeves, a Texas state legislator and colonel in the Confederate Army. It is one of the nine counties that comprise the Trans-Pecos region of West Texas. Reeves County comprises the Pecos micropolitan statistical area.