Some of the cities, towns, and places in Marion County are Barrackville, Basnettville, Baxter, Beverly Hills, Big Run, Boothsville, Brink, Carolina, Catawba, Colfax, Fairmont, Fairview, Farmington, Flyblow, Forksburg, Four States, Grant Town, Grays Flat, Hebron, Highland, Hopewell, Hutchinson, Idamay, Joetown, Jordan, Katy, Kingmont, Logansport, Mannington, Meadowdale, Metz, Monongah, Montana, Montana Mines, Paw Paw, Pettyjohn, Pine Grove, Pleasant Valley, Pleasant View, Rachel, Rivesville, Seven Pines, Shagtown, Stringtown, Viola, Wahoo, Watson, Whitehall, Worthington
Marion County is a county in the U.S. state of West Virginia. As of the 2010 census, the population was 56,418. Its county seat is Fairmont. The county was named in honor of General Francis Marion (ca. 1732–1795), known to history as "The Swamp Fox".
Marion County comprises the Fairmont, WV Micropolitan Statistical Area, which is also part of the Morgantown-Fairmont, WV Combined Statistical Area.