Tilly is an unincorporated village in Smyrna Township located in the U.S. state of Arkansas. It is within Pope County at the junction of Arkansas 16 and Arkansas 27 close the head of the Middle Fork of the Little Red River. It coordinates at 35°43′12″N 92°49′59″W. The elevation is 593 feet above sea level. The average travel time is 39 minutes. It has Zip code 72679.