Miamisburg is a city in southern Montgomery County, Ohio, United States. The population was 19,923 at the 2020 census. A suburb of Dayton, it is part of the Dayton metropolitan area. Named after the Miami people, Miamisburg is known for its industrial history, particularly its nuclear operations during World War II, and retail factors such as the Dayton Mall and surrounding commercial business area.
Main Street in Miamisburg
Miami and Erie Canal (1904)
Mound Laboratories in the 1990s
Miamisburg Mound, the largest conical mound in Ohio, is attributed to the Adena culture, 1000-200 BCE
Montgomery County is in the southwestern part of the U.S. state of Ohio. At the 2020 census, the population was 537,309, making it the fifth-most populous county in Ohio. The county seat is Dayton. The county was named in honor of Richard Montgomery, an American Revolutionary War general, who was killed in 1775 while attempting to capture Quebec City, Canada. Montgomery County is part of the Dayton, Ohio, Metropolitan Statistical Area.
Current Montgomery County Courthouse
Downtown Dayton, the largest city in Montgomery County