There are 2 US Post Offices in Shackelford County serving a total of 3,038 residents equating to 1,519 residents per post office. It's estimated that approximately 4,849 packages are handled across the 2 county post offices annually. Shackelford County is a county located in the U.S. state of Texas. As of the 2010 census, its population was 3,378. Its county seat is Albany. The county was created in 1858 and later organized in 1874. Shackelford is named for Dr. Jack Shackelford, a Virginia physician who equipped soldiers at his own expense to fight in the Texas Revolution. Historic Fort Griffin, established in 1867, lies within Shackelford County. During the last two weekends of June, the Fort Griffin Fandangle, a western musical production, is presented by Shackelford County residents in the Prairie Theater in Albany. The content of the program is changed each year. Begun in 1938, it is billed as \"Texas' Oldest Outdoor Musical\"."