There are 5 US Post Offices in Sevier County serving a total of 62,961 residents equating to 12,592 residents per post office. It's estimated that approximately 100,493 packages are handled across the 5 county post offices annually. Sevier County (/s\u0259\u02c8v\u026a\u0259r/ severe) is a county of the U.S. state of Tennessee. As of the 2010 census, the population was 89,889. Its county seat and largest city is Sevierville. Sevier County comprises the Sevierville, TN Micropolitan Statistical Area, which is included in the Knoxville-Morristown-Sevierville, TN Combined Statistical Area."