1886Government
Riverdale was founded in 1886, when the railroad was extended there.
1908Government
Rivers, the original owner of the town site who donated his land to the railroad company, the city was incorporated in 1908.
2020History
== Demographics ==
As of the 2020 United States census, there were 15,129 people, 5,517 households, and 3,404 families residing in the city.
2024Education
In 2024, an investigation by the "FOX 5 I-Team" in Atlanta discovered that hundreds of traffic tickets had been issued improperly by robotic traffic control cameras in school zo...