Monson Center is a census-designated place (CDP) in the town of Monson in Hampden County, Massachusetts, United States. The population was 2,107 at the 2010 census, out of a total 8,560 people in the town. It is part of the Springfield, Massachusetts Metropolitan Statistical Area.GeographyMonson Center is in the east-central part of the town of Monson, located at . The CDP includes the town center, the adjacent village of South Monson, and rural land to the east and west of the villages. The eastern limit of the CDP is King Street and East Hill Road; the southern limit is Munn Street, Maple Street, and Bliss Street; the western limit is Ely Road, High Street, and Margaret Street; and the northern limit is Thompson Street, Chestnut Street, and Brimfield Road. The two villages are in the valley of Chicopee Creek, a north-flowing tributary of the Quaboag River. Massachusetts Route 32 runs through the valley and the two villages, leading north 4mi to Palmer and south to Stafford Springs, Connecticut.According to the United States Census Bureau, the Monson Center CDP has a total area of 8.7sqkm, of which 0.03sqkm, or 0.33%, are water.