There are 4 US Post Offices in Bradley County serving a total of 11,599 residents equating to 2,900 residents per post office. It's estimated that approximately 18,513 packages are handled across the 4 county post offices annually. Bradley County is a county located in the U.S. state of Arkansas. As of the 2010 census, the population was 11,508. The county seat is Warren. It is Arkansas's 43rd county, formed on December 18, 1840, and named for Captain Hugh Bradley, who fought in the War of 1812. It is an alcohol prohibition or dry county, and is the home of the world-famous Bradley County Pink Tomato Festival."