Farmington is a city in Washington County, Arkansas. The community is nestled in a valley among the Boston Mountains, a subset of the Ozark Mountains. Although the first settlers came from the Deep South in 1828, the community did not incorporate until 1946. Located immediately west of Fayetteville in the Northwest Arkansas metropolitan statistical area, Farmington has been experiencing a population boom in recent years, as indicated by a 66% growth in population between the 2000 and 2010 censuses.