As of the census of 2000, there were 1,800 people, 741 households, and 500 families residing in the town. By population, Ashfield ranked thirteenth of the twenty-six towns in Franklin County, and 296th out of the 351 cities and towns in Massachusetts. The population density was 44.7 people per square mile (17.2/km2), which ranked seventeenth in the county and 314th in the Commonwealth. There were 821 housing units at an average density of 20.4 per square mile (7.9/km2). The racial makeup of the town was 97.33% White, 0.61% African American, 0.11% Native American, 0.33% Asian, 0.06% from other races, and 1.56% from two or more races. Hispanic or Latino of any race were 0.44% of the population.