McMullen County is located in the southern part of the state of Texas. It was established in 1911 and is known for its rural landscape and small population. The county seat is Tilden, which serves as the main hub for local government and services. The area is primarily agricultural, with ranching being a significant part of the local economy. McMullen County is also home to various natural resources and offers outdoor recreational activities, including hunting and fishing, attracting visitors to its scenic environment.