There are 7 US Post Offices in Maury County serving a total of 97,474 residents equating to 13,925 residents per post office. It's estimated that approximately 155,579 packages are handled across the 7 county post offices annually. Maury County /\u02c8m\u0252re\u026a/ or \"murray\" is a county located in the U.S. state of Tennessee, in the area legally known as Middle Tennessee. As of the 2010 census, the population was 80,956. Its county seat is Columbia. Maury County is included in the Nashville-Davidson-Murfreesboro-Franklin, TN Metropolitan Statistical Area."