Keystone is an unincorporated community in Chester Township, Wells County, in the U.S. state of Indiana.
History
A large share of the early settlers being natives of Pennsylvania caused the name of Keystone to be selected, after the Keystone State.
The post office at Keystone has been in operation since 1871.
Demographics
The United States Census Bureau delineated Keystone as a census designated place in the 2022 American Community Survey.
References
