where is riverdale ohio
Riverdale, Dayton, Ohio. Riverdale is a neighborhood of Dayton, Ohio, United States. Riverdale is situated northwest of Dayton across the Great Miami River. The Geographic Names Information System (GNIS) lists the location of Riverdale at 39Â°46â²12â³N 84Â°11â²40â³W / 39.77Â°N 84.1944444Â°W / 39.77; -84.1944444, which is now a part of the McPherson Town Historic District.