There are 16 US Post Offices in Pasco County serving a total of 248,450 residents equating to 15,528 residents per post office. It's estimated that approximately 396,554 packages are handled across the 16 county post offices annually. Pasco County is a county located in the U.S. state of Florida. As of the 2010 census, the population was 464,697. Its county seat is Dade City, and its largest city is New Port Richey. The county is named for Samuel Pasco. Pasco County is included in the Tampa-St. Petersburg-Clearwater Tampa Bay Area. It includes numerous parks and trails including along rivers, the Gulf of Mexico, lakes, and highway/ railroad right of ways. Several nudist resorts are located in Pasco. West Pasco includes retirement areas, commercial fishing, and suburbs of Tampa. East Pasco is transitioning from forested and agricultural areas to suburban developments. The Suncoast Highway and U.S. 19 both pass through Pasco."