MobileHome.net has 2 Mobile Homes for Sale in Dekalb County, TN, including manufactured homes, modular homes and foreclosures. The current average listing price is around $158,395. Mobile home prices in Dekalb County, TN have increased approximately 57% compared to the 12-month average price of $100,712. Listing prices currently range from about $143,989 to $172,800 depending on the size, age, and location of the home.