Plymouth County is a county located in the U.S. state of Massachusetts. As of the most recent data available, the county has a population of approximately 472,822 people, with a population density of about 715.31 persons per square mile.
The county spans a total land area of 661.00 square miles (1,712.00 square kilometers). The administrative center and county seat is Plymouth, which often serves as a hub for local governance and services. The largest city within the county by population is Brockton.
Geographically, Plymouth County experiences varied elevations, with its highest point at Marshfield Hills 155 ft and its lowest point at Kingston 0 ft. The region operates in the UTC-5.