Flatwoods is a city within Greenup County, Kentucky. Flatwoods is considered a suburb of Ashland, Kentucky, in the United States, although Ashland itself is located in neighboring Boyd County. The population was 7,423 at the 2010 census, making Flatwoods the largest city in Greenup County. Flatwoods is a part of the Huntington-Ashland, WV-KY-OH, Metropolitan Statistical Area (MSA). As of the 2000 census, the MSA had a population of 288,649.
Through 2014, Flatwoods is legally a 3rd-class city, making it the equivalent of much larger cities such as Florence. On January 1, 2015, following a radical reclassification of the state's cities, it will become a "Home Rule Class" city, a category that will include all of the state's more than 400 cities except for the two largest, Louisville and Lexington. Locally, Flatwoods is considered to be a bedroom community, as it has no large employer within the city. Many residents work for CSX Transportation, AK Steel, Marathon Oil, King's Daughters Medical Center, or Our Lady of Bellefonte Hospital. There are six institutions of higher education located within 30–40 minutes of Flatwoods: Ashland Community and Technical College and Kentucky Christian University in Kentucky, the Ohio University Southern Campus and Shawnee State University in Ohio, and Marshall University and Mountwest Community and Technical College in West Virginia.