West Springfield is a city located in Hampden County, Massachusetts, within the United States. It constitutes part of the Springfield, Massachusetts Metropolitan Statistical Area.
The city is often referred to as "West Side." This name originates from its geographical position on the western side of the Connecticut River relative to the neighboring city of Springfield, a factor that significantly influenced the town's early history. According to the 2020 United States Census, the population of West Springfield was 28,835.