The Hillside Historic District in Waterbury, Connecticut is a 106-acre (43 ha) historic district that was listed on the National Register of Historic Places (NRHP) in 1987.[1]
   In 1987, it included 395 buildings deemed to contribute to the historic character of the area, and one other contributing structure.[1]
    It includes the Wilby High School and the Benedict-Miller House, which are both separately listed on the NRHP.