There are 9 US Post Offices in Vermillion County serving a total of 15,934 residents equating to 1,770 residents per post office. It's estimated that approximately 25,432 packages are handled across the 9 county post offices annually. Vermillion County lies in the western part of the U.S. state of Indiana between the Illinois border and the Wabash River. As of the 2010 census, the population was 16,212. The county seat is Newport. It was officially established in 1824 and was the fiftieth Indiana county to be formed. Vermillion County is included in the Terre Haute, Indiana, Metropolitan Statistical Area. The county contains seven incorporated towns with a total population of about 9,900, as well as several unincorporated communities; it is also divided into five townships which provide local services. An interstate highway, two U.S. routes, and five state roads cross the county, as does a major railroad line."