Cooper is an unincorporated community in Greene County, Iowa, United States.

[2] In late July, 1980, the Des Moines Register's Annual Great Bicycle Ride Across Iowa (RAGBRAI) brought 5,000 cyclists pedaling through town.

As the cyclists approached from the west, a cannon was fired and a recording of the 1812 Overture was repeatedly played.

In 1981 an international search to adopt the 51st citizen of this small town landed residents on The Tonight Show Starring Johnny Carson.

This article about the geography of Greene County, Iowa is a stub.