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. Invest in Union County, located in Western Kentucky and anchored by Morganfield, its county seat. With a population of around 14,381, this county presents fertile land opportunities for agriculture and homesteading, benefiting from its proximity to the Ohio River and a strong agricultural heritage.