Ridgely is a town in Lake County, Tennessee, United States. The population was 1,667 at the 2000 census and 1,795 at the 2010 census. Ridgely is located at 36°15′52″N 89°28′58″W / 36.26444°N 89.48278°W. The town is situated southwest of Reelfoot Lake and east of the Mississippi River. State Route 78 traverses Ridgely, connecting the t…Ridgely is a town in Lake County, Tennessee, United States. The population was 1,667 at the 2000 census and 1,795 at the 2010 census. Ridgely is located at 36°15′52″N 89°28′58″W / 36.26444°N 89.48278°W. The town is situated southwest of Reelfoot Lake and east of the Mississippi River. State Route 78 traverses Ridgely, connecting the town with Tiptonville to the north and Dyersburg to the south.