Bloomfield is a town in Richland Township, Greene County, Indiana, United States. The population was 2,405 at the 2010 census. The city is the county seat of Greene County.
Bloomfield is part of the Bloomington, Indiana Metropolitan Statistical Area.
The area where Bloomfield is located has been inhabited by Native Americans since prehistory. Tribes that have lived in the area include the Miami tribe, Kickapoo, Piankeshaw and Wea. A settlement of Paleo-Indians have been excavated by Indiana University and Ball State University research teams near the confluence of Richland Creek and the White River north of Bloomfield. .