View Jefferson County Condos available in Kentucky. With Louisville at its center, Jefferson County in Kentucky is the most populous county in the state, and one of the most popular. Jefferson County also holds Jeffersontown, Lyndon and Shively among others, and the county is made up of a number of diverse communities and neighborhoods, each one offering its own independent idea of living. Jefferson County offers residents a number of local amenities, including national retailers, shopping and dining, hospitals, activities and entertainment options. Jefferson County Condos come in all shapes and sizes, with new properties and established condos available on the market. Contact Semonin Realtors for more information about Jefferson County Condos and living in the Louisville, Kentucky area.