There are 24 US Post Offices in Broome County serving a total of 192,383 residents equating to 8,016 residents per post office. It's estimated that approximately 307,065 packages are handled across the 24 county post offices annually. Broome County is a county located in the U.S. state of New York. As of the 2010 census, the population was 200,600. Its county seat and largest city is Binghamton. The county was named in honor of John Broome, who was lieutenant governor in 1806 when Broome County was established. Broome County is part of the Binghamton, NY Metropolitan Statistical Area. The current county executive is Debra A. Preston. Broome County is also home to Binghamton University, one of four university centers in the SUNY system."