Winchester Square Historic District is a historic district encompassing a cluster of brick buildings at and near the intersection of State Street and Wilbraham Road on the east side of Springfield, Massachusetts. The buildings, most of which were built for industrial purposes, are clustered on five parcels, and were built between 1875 and 1913. It includes the Armory railroad station (1875), the Winchester Square fire station (1886, remodeled 1915), the Knox Automobile Company buildings (1891-1910), and the Indian Motorcycle Company plant, part of which later became the Springfield Industrial Institute complex.The district was listed on the National Register of Historic Places in 1979.
