View Jefferson County Homes available in Kentucky. Jefferson County is Kentucky's most populous county and is home to Louisville and other Central Kentucky cities (Shively, Lyndon, Jeffersontown and others). Jefferson County is made up of a number of communities and neighborhoods that create a diverse and welcoming atmosphere in the county. Jefferson County has tons of local amenities, resources, activities, entertainment and more for residents, and Jefferson County Homes are affordable and readily available. Homes come in all shapes and sizes, from simple starter homes to large, luxury estates. Jefferson County is a popular county with lots to offer. Contact Semonin Realtors for more information about Jefferson County Homes and Louisville Real Estate for Sale in Central Kentucky.