There are 15 US Post Offices in Genesee County serving a total of 60,511 residents equating to 4,034 residents per post office. It's estimated that approximately 96,582 packages are handled across the 15 county post offices annually. Genesee County is a county in the U.S. state of New York. As of the 2010 census, the population was 60,079. Its county seat is Batavia. Its name is from the Seneca Indian word Gen-nis'-hee-yo, meaning \"the Beautiful Valley\". The county was created in 1802 and organized in 1803. Genesee County comprises the Batavia, NY Micropolitan Statistical Area, which is also in the Rochester-Batavia-Seneca Falls, NY Combined Statistical Area. It is in Western New York."