Lexington, Kentucky, United States, known as the 'Horse Capital of the World,' is located in the heart of the Bluegrass region. It is the second-largest city in Kentucky, after Louisville, Kentucky, and the 68th largest in the United States. On January 1, 1974 Lexington became the first municipality in the Commonwealth of Kentucky to form a consolidated city-county government by merging with Fayette County. In 2006, the population estimate given by the U.S. Census Bureau was 275,754 Lexington-Fayette apartments for rent comparison page shows most up to date rent information on Lexington-Fayette apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.