Karnes city county jail Karnes County Immigration Processing Center Phone: 830-254-2000. Karnes City is the county seat with over 3,000 residents. Career Opportunities; Citizens Academy; Externships; I want to. Karnes Corrections Center; Snow Level Emergency; Join Us. Dwayne Villanueva, Sheriff Karnes County Sheriff’s Office 500 E. Great Falls, MT. Please submit the completed form to the Karnes County Attorney's office. When an inmate is released he or she needs to return home, and closeness to their family is one of the strongest reasons that keeps them from getting in trouble again. Located in the city of Karnes City, Karnes County, Texas, the Karnes County Jail is a 48-bed facility. The jail cells were located on the second floor, with the courthouse offices occupying the first floor. ixjnveewliffakosadeebbxrqotgyfvejitbzkmeppbwalxhidgbujhfdhnvawtmfgyeiqgawwjghgmk