Buchanan 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 the southern part of Filmore Township in

Bollinger County Bollinger County is a county located in the southeastern part of the U.S. state of Missouri. As of the 2020 census, the county's population was 10,567. The county seat is Marble Hill. The county was officially organized in 1851. Bollinger Co ...

Missouri Missouri 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 is bordered by eight states (tied for the most with Tennessee ...

, United States. The community lies approximately 18 miles southwest of Marble Hill and was named after

James Buchanan James Buchanan Jr. ( ; April 23, 1791June 1, 1868) was an American lawyer, diplomat and politician who served as the 15th president of the United States from 1857 to 1861. He previously served as secretary of state from 1845 to 1849 and repr ...

, the fifteenth president of the United States, who served in office from 1857 to 1861. A post office was established in 1857 and remained in operation until 1940.Post Offices in Bollinger County, MO

References

Unincorporated communities in Bollinger County, Missouri Cape Girardeau–Jackson metropolitan area Unincorporated communities in Missouri 1857 establishments in Missouri {{BollingerCountyMO-geo-stub