Oxford is a town located in Worcester County, Massachusetts. It was first settled in 1687 and was officially incorporated in 1713.
According to the United States Census Bureau, the town has a total area of 71.3 km² (27.5 mi²). 69.0 km² (26.6 mi²) of it is land and 2.3 km² (0.9 mi²) of it is water. The total area is 3.20% water.