Oxford is a town located in western New Haven County, Connecticut, United States. The population was 12,272 at the 2010 Census. There are several areas in Oxford: Quaker Farms, Riverside and Oxford Center. Oxford belongs to the Naugatuck Valley Economic Development Region and the Central Naugatuck Valley Planning Area. A University of Connecticut development study spanning 1985-2006 showed Oxford had the largest increase of development by percentage, growing 62% during that time.