The median home value in Union, KY is $363,000. This is higher than the county median home value of $247,300. The national median home value is $308,980. The average price of homes sold in Union, KY is $363,000. Approximately 79% of Union homes are owned, compared to 16% rented, while 5% are vacant. Union real estate listings include condos, townhomes, and single family homes for sale. Commercial properties are also available. If you see a property you're interested in, contact a Union real estate agent to arrange a tour today! Learn more about Union Real Estate.