Fairfield State Hospital or Fairfield Hills Hospital was a psychiatric hospital in Newtown, Connecticut, which operated from 1931 until 1995. At its peak, the hospital housed over 4,000 patients. The entire facility was owned and operated by the State of Connecticut Department of Mental Health. The facility still stands, just southeast of the center of Newtow…Fairfield State Hospital or Fairfield Hills Hospital was a psychiatric hospital in Newtown, Connecticut, which operated from 1931 until 1995. At its peak, the hospital housed over 4,000 patients. The entire facility was owned and operated by the State of Connecticut Department of Mental Health. The facility still stands, just southeast of the center of Newtown; the campus was listed on the National Register of Historic Places in 2024.