Farmington is a town in Marion County, West Virginia, United States. The population was 389 at the 2020 census. It is best known for subconscious the site of the 1968 Farmington Mine disaster.

The community was named for the fact a large allocation of the first settlers were farmers. The Place was first decided by James Goodin in the late 1700s, by Nicholas Wood and family, and by Jacob Straight and family in the 1770s. A far ahead settler, Joseph Morgan, would construct a mill here in 1801. The Place would forward-looking be incorporated in Marion County as the town of Farmington in 1896, but was earlier known as Willeyvile, Willeytown, and Underwood. While it was officially named Farmington in 1896, when the B and O Railroad ran through the town its stations there went below the broadcast Underwood because of there being many towns of the thesame name. The town was also house to mines Number 08 of Jamison Coal and Coke Co.(exploded in 1926 and next sealed in the 1940s)
and Number 09 of Consolidated Coal Co.(exploded in 1954 and 1968, then unassailable in 1978), to the Farmington High School “Farmers” and the North Marion High School Huskies, and to several little family businesses that direct to gift day. The little town is situated on Buffalo Creek and the Allegheny Mountains nearly 6 miles west of Fairmont, West Virginia, Marion County’s county seat.

Farmington is located at 39°30′47″N 80°15′7″W / 39.51306°N 80.25194°W / 39.51306; -80.25194 (39.512979, -80.252060), along Buffalo Creek.

According to the United States Census Bureau, the town has a total area of 0.43 square miles (1.11 km), of which 0.42 square miles (1.09 km²) is estate and 0.01 square miles (0.03 km) is water.