Babylonia was an ancient state in Mesopotamia (in modern Iraq), combining the territories of Sumer and Akkad. Its capital was Babylon. The earliest mention of Babylon can be found in a tablet of the reign of Sargon of Akkad, dating back to around 2400 BC.
... Demographics
As of the census of 2000, there are 5,641 people, 1,755 households, and 1,463 families residing in the town. The population density is 1,533.8/km² ...