There are 22 US Post Offices in Warren County serving a total of 65,688 residents equating to 2,986 residents per post office. It's estimated that approximately 104,845 packages are handled across the 22 county post offices annually. Warren County is a county in the U.S. state of New York. As of the 2010 census, the population was 65,707. The county seat is Queensbury. The county is named in honor of General Joseph Warren, an American Revolutionary War hero of the Battle of Bunker Hill. Warren County is part of the Glens Falls, NY Metropolitan Statistical Area, which is also included in the Albany-Schenectady, NY Combined Statistical Area."