Wilbarger County is a county located in the North Texas region of the U.S. state of Texas. As of the 2020 census, the population was 12,887. The county seat is Vernon. The county was created in 1858 and later organized in 1881. Wilbarger is named for Josiah Pugh Wilbarger and Mathias Wilbarger, two early settlers.

North Texas is a term used primarily by residents of Dallas, Fort Worth Dallas–Fort Worth metroplex generally consider North Texas to include the area south of Oklahoma, east of Abilene, west of Paris, and north of Hillsboro. It does not include the Panhandle of Texas, which expands further north than the region previously described, nor does it include most of the region near the northern border of Texas.