The Harwinton Agricultural Society is a nonprofit organization located in Harwinton, Connecticut. Established in 1853, the Society is dedicated to preserving the state’s rich agricultural traditions and fostering community involvement through education and events. Its signature event, the Harwinton Fair, is a longstanding October tradition that features livestock shows, agricultural contests, home arts, family entertainment, and 4-H youth participation. The Society manages the Harwinton Fairgrounds and invites the public to celebrate rural heritage, community values, and the future of Connecticut farming.