unincorporated community
An unincorporated area is a parcel of land that is not governed by a local general-purpose municipal corporation. (At p. 178.) They may be governed or serviced by an encompassing unit (such as a county) or another branch of the state (such as th ...
and
census-designated place
A census-designated place (CDP) is a Place (United States Census Bureau), concentration of population defined by the United States Census Bureau for statistical purposes only.
CDPs have been used in each decennial census since 1980 as the counte ...
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 so ...
of
Indiana
Indiana ( ) is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. It borders Lake Michigan to the northwest, Michigan to the north and northeast, Ohio to the east, the Ohio River and Kentucky to the s ...
.
The name Reo was coined in 1966 as an acronym of three nearby larger cities:
Rockport, Indiana
Rockport is a city in Ohio Township and the county seat of Spencer County, Indiana, along the Ohio River. The population was 1,984 at the 2020 census. Once the largest community in Spencer County, the city has recently been surpassed by the ...
,
Evansville, Indiana
Evansville is a city in Vanderburgh County, Indiana, United States, and its county seat. With a population of 118,414 at the 2020 United States census, 2020 census, it is Indiana's List of cities in Indiana, third-most populous city after India ...
, and
Owensboro, Kentucky
Owensboro is a Home rule in the United States, home rule-class city in Daviess County, Kentucky, United States, of which it is also the county seat. It is the List of cities in Kentucky, fourth-most populous city in the state. Owensboro is loca ...
Reo is concentrated around the intersection of State Road 66 and State Road 161, a few miles northwest of the
Ohio River
The Ohio River () is a river in the United States. It is located at the boundary of the Midwestern and Southern United States, flowing in a southwesterly direction from Pittsburgh, Pennsylvania, to its river mouth, mouth on the Mississippi Riv ...