IN · CountySullivan County, Indiana16 cities in the directoryCitiesCityPopulationRegionCarlisle615—Cass1,849—Curry3,416—Dugger795—Fairbanks714—Farmersburg1,066—Gill792—Haddon3,737—Hamilton7,085—Hymera661—Jackson1,734—Jefferson364—Merom209—Shelburn1,111—Sullivan4,240—Turman1,077—