Hingham (/ˈhɪŋəm/ HING-əm) is a town in metropolitan Greater Boston on the South Shore of the U.S. state of Massachusetts in northern Plymouth County. At the 2020 census, the population was 24,284. Hingham is known for its colonial history and location on Boston Harbor. The town was named after Hingham, Norfolk, England, and was first settled by English colonists in 1633.