There are 35 US Post Offices in Suffolk County serving a total of 872,349 residents equating to 24,924 residents per post office. It's estimated that approximately 1,392,366 packages are handled across the 35 county post offices annually. Suffolk County is a county in the Commonwealth of Massachusetts, in the United States. As of 2014, the population was 767,254 making it the fourth-most populous county in Massachusetts. The county seat is Boston, the state capital and largest city. The county government was abolished in late 1999 and Suffolk remains only as a geographic area, still used by entities such as the National Weather Service to define a weather alert affecting its footprint without listing every single town/city it embraces. Suffolk County is included in the Boston-Cambridge-Newton, MA-NH Metropolitan Statistical Area."