There are 9 US Post Offices in Wise County serving a total of 56,480 residents equating to 6,276 residents per post office. It's estimated that approximately 90,148 packages are handled across the 9 county post offices annually. Wise County is a county located in the U.S. state of Texas. As of the 2010 census, the population was 59,127. Its county seat is Decatur. Wise County is part of the Dallas-Fort Worth-Arlington, TX Metropolitan Statistical Area. The Wise Eyes crime watch program, eventually adopted by mostly rural counties in several states, was started in 1993 by then-Sheriff Phil Ryan."