Fayette County is home to Lexington, Kentucky's second-largest city and the heart of the Bluegrass Region. Known for horse farms, rolling pastures, and strong land values, Fayette County offers urban amenities alongside agricultural heritage. County seat: Lexington. Unearth your dream property in Rockcastle County, a gateway to Eastern Kentucky's natural beauty with Mount Vernon as its hub. Home to nearly 17,000 residents, this county is perfect for land seekers drawn to its rolling hills, outdoor recreation, and the potential for establishing a self-sufficient homestead.