Hampden County is a county located in the western part of Massachusetts. It is situated along the Connecticut River and borders both Connecticut and the state of New York. The county was established in 1812, and its county seat is Springfield.
The county has a population of approximately 466,000 people, making it the third most populous county in the state. The county is home to several cities, including Springfield, Westfield, and Chicopee, as well as many small towns and villages.
It is also home to several historic homes and estates, such as the Wistariahurst Museum in Holyoke and the Storrowton Village Museum in West Springfield.
Hampden County is home to several state parks, including Robinson State Park and Mt. Tom State Reservation, as well as many other parks and nature preserves.
About 44% of homes in Hampden County, Massachusetts use heating oil as their primary heating fuel, according to a U.S. Energy Information Administration survey. This is higher than the statewide average of 32%.