REAL PHOTO - Marlboro, VERMONT - Old Town Hall : Marlboro is a town in Windham County, Vermont, United States. The population was 1,722 at the 2020 census. The town is home to the Southern Vermont Natural History Museum and Potash Hill, the campus that was formerly Marlboro College. Potash Hill hosts the Marlboro Music School and Festival each summer, as well as other arts and education programs throughout the year. Located on the Town Common are the Town House (1822), used for town meetings, the Town Offices and Post Office building (1969), the Marlboro Meeting House Congregational Church (1931), and the Whetstone Inn (c. 1775). This Photochromatic postcard is in good condition. Merrimack Post Card. West Suffield, Conn.