Mill Grove is an

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 ...

in Mercer County,

Missouri Missouri (''see #Etymology and pronunciation, pronunciation'') is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it border ...

, United States. It is located approximately one mile west of

U.S. Route 65 U.S. Route 65 (US 65) is a north–south United States highway in the southern and midwestern United States. The southern terminus of the route is at U.S. Route 425 in Clayton, Louisiana. The northern terminus is at Interstate 35 just south of I ...

Missouri Supplemental Route A supplemental route is a state secondary road in the U.S. state of Missouri, designated with letters. Supplemental routes were various roads within the state which the Missouri Department of Transportation was given in 1952 to maintain in addit ...

D or six miles south of

Princeton Princeton University is a private Ivy League research university in Princeton, New Jersey, United States. Founded in 1746 in Elizabeth as the College of New Jersey, Princeton is the fourth-oldest institution of higher education in the Unit ...

. The Weldon River flows past the west side of the community. Mill Grove was

plat In the United States, a plat ( or ) (plan) is a cadastral map, drawn to scale, showing the divisions of a piece of land. United States General Land Office surveyors drafted township plats of Public Lands Survey System, Public Lands Surveys to ...

ted in 1870, and named for a

mill Mill may refer to: Science and technology * Factory * Mill (grinding) * Milling (machining) * Millwork * Paper mill * Steel mill, a factory for the manufacture of steel * Sugarcane mill * Textile mill * List of types of mill * Mill, the arithmetic ...

near the original town site. A post office called Mill Grove was established in 1873, and remained in operation until 1974.

References

Unincorporated communities in Mercer County, Missouri Unincorporated communities in Missouri {{MercerCountyMO-geo-stub