Williamstown is an
unincorporated community
An unincorporated area is a region that is not governed by a local municipal corporation. Widespread unincorporated communities and areas are a distinguishing feature of the United States and Canada. Most other countries of the world either have ...
in
Decatur and
Rush counties, in the
U.S. state
In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sover ...
of
Indiana
Indiana () is a U.S. state in the Midwestern United States. It is the 38th-largest by area and the 17th-most populous of the 50 States. Its capital and largest city is Indianapolis. Indiana was admitted to the United States as the 19th s ...
.
History
Williamstown was founded in 1830. An old variant name of the community was called Earl City.
A post office was established at Williamstown in 1834, and remained in operation until it was discontinued in 1905.
Geography
Williamstown is located at the boundary between
Decatur and Rush counties.
References
Unincorporated communities in Decatur County, Indiana
Unincorporated communities in Rush County, Indiana
Unincorporated communities in Indiana
1830 establishments in Indiana
{{RushCountyIN-geo-stub