There are 11 US Post Offices in Tippecanoe County serving a total of 117,010 residents equating to 10,637 residents per post office. It's estimated that approximately 186,761 packages are handled across the 11 county post offices annually. Tippecanoe County is a county located in the northwest quadrant of the U.S. state of Indiana. As of the 2010 census, the population was 172,780. The county seat is Lafayette. It was created in 1826 from Wabash County. Tippecanoe County is part of the Lafayette, Indiana, Metropolitan Statistical Area."