Manhattan is an unincorporated community in central Washington Township, Putnam County, in the U.S. state of Indiana.

[1] Manhattan was laid out in 1829 when the National Road was extended to that point.

[3] A post office was established at Manhattan in 1830, and remained in operation until it was discontinued in 1905.

[4] Manhattan lies on U.S. Route 40, approximately six miles southwest of the city of Greencastle.

This Putnam County, Indiana location article is a stub.