There are 50 US Post Offices in Orange County serving a total of 478,544 residents equating to 9,571 residents per post office. It's estimated that approximately 763,810 packages are handled across the 50 county post offices annually. Orange County is a county located in the U.S. state of New York. As of the 2010 census, the population was 372,813. The county seat is Goshen. This county was first created in 1683 and reorganized with its present boundaries in 1798. Orange County is included in the New York-Newark-Jersey City, NY-NJ-PA Metropolitan Statistical Area. It is in the state's Mid-Hudson Region of the Hudson Valley. The County Executive is Steve Neuhaus. As of the 2010 census the centre of population of New York state was located in Orange County, approximately three miles west of the hamlet of Westbrooksville."