There are 15 US Post Offices in Alachua County serving a total of 191,056 residents equating to 12,737 residents per post office. It's estimated that approximately 304,947 packages are handled across the 15 county post offices annually. Alachua County is a county located in the U.S. state of Florida. As of the 2010 census, the population was 247,336. The county seat is Gainesville, the home of the University of Florida. Alachua County is included in the Gainesville, FL Metropolitan Statistical Area. The county is known for its diverse culture, local music, and artisans. Much of its economy revolves around the university."