Farmington
- County:
- Marion County
- County Seat:
- No
- Area (mi²):
- 0.415
- State:
- West Virginia
Farmington is a town located in Marion County, West Virginia. Farmington has a 2026 population of 393. Farmington is currently declining at a rate of -0.76% annually but its population has increased by 1.81% since the most recent census, which recorded a population of 386 in 2020.
The median household income in Farmington is $72,045 with a poverty rate of 8.97%. The median age in Farmington is 51.8 years: 52.9 years for males, and 51.4 years for females. For every 100 females there are 110.8 males.