Rehoboth is a historic town in Bristol County, Massachusetts, United States. Established in 1643, Rehoboth is one of the oldest towns in Massachusetts. The population was 12,502 at the 2020 census. Rehoboth is a mostly rural community with many historic sites, including 53 historic cemeteries.

Bristol County is a county in the Commonwealth of Massachusetts. As of the 2020 census, the population was 579,200. The shire town is Taunton. Some governmental functions are performed by the Commonwealth of Massachusetts, others by the county, and others by local towns and cities.