evidence: Texas counties with the most TB cases - 2022 - Harris: 267 - Dallas: 121 - Bexar: 62 - Tarrant: 52 - Hidalgo: 49 - Travis: 48 - Cameron: 46 - Frio: 46 - Collin: 35 - Webb: 32 [...] - 14 people (1.3 percent) were diagnosed in a Texas Department of Criminal Justice (TDCJ) facility; TDCJ is the state’s correctional prison system. [...] Texas is diverse. Texas is home to three of the country’s top ten largest cities and has the longest stretch of border with Mexico as compared to any other U.S. state.