High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! Hart County is a county located in the U.S. state or, more correctly, "Commonwealth" of Kentucky. It was formed in 1819. As of 2000, the population was 17,445. Its county seat is Munfordville. The county is named for Captain Nathaniel G.T. Hart, a Kentucky militia officer in the War of 1812 who was wounded at the Battle of Frenchtown and died in the Massacre of the River Raisin. The Battle of Munfordville, a Confederate victory, was fought in the county in 1862, during the American Civil War. Hart County is a prohibition or dry county.