There are 15 US Post Offices in Scott County serving a total of 101,246 residents equating to 6,750 residents per post office. It's estimated that approximately 161,600 packages are handled across the 15 county post offices annually. Scott County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 165,224, making it the third-most populous county in Iowa. The county seat is Davenport. Scott County is included in the Davenport-Moline-Rock Island, IA-IL Metropolitan Statistical Area."