Arkadelphia is an unincorporated community

Unincorporated area

In law, an unincorporated area is a region of land that is not a part of any municipality.To "incorporate" in this context means to form a municipal corporation, a city, town, or village with its own government. An unincorporated community is usually not subject to or taxed by a municipal government...

 located in far southern Cullman County

Cullman County, Alabama

Cullman County is a county of the U.S. state of Alabama. Its name is in honor of Colonel John G. Cullmann. As of 2010, the population was 80,406. Its county seat is the town of the same name, Cullman, Alabama. It is a "moist" county in terms of availablity of alcoholic beverages, which means...

, Alabama

Alabama

Alabama is a state located in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its inland...

, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. It is situated just a few miles southwest of the town of Colony

Colony, Alabama

Colony is a town in Cullman County, Alabama, United States. At the 2000 census the population was 385. Colony is a historically African-American town. In its early days it was a safe-haven for African Americans in the Deep South.-Geography:...

.

History

Arkadelphia was settled in the 19th century, with a post office opening in 1854. The town's namesake is disputed. Some believe Arkadelphia was the name of the wife of the first postmaster John A. Donaldson. Some believe it is a combination of "Ark-", the name of an early settlement in nearby Winston County, and "-adelphia", a pseudo-Greek combination meaning "brother-place," likely taken from Philadelphia

Philadelphia, Pennsylvania

Philadelphia is the largest city in the Commonwealth of Pennsylvania and the county seat of Philadelphia County, with which it is coterminous. The city is located in the Northeastern United States along the Delaware and Schuylkill rivers. It is the fifth-most-populous city in the United States,...

. Despite having the same name as Arkadelphia, Arkansas

Arkadelphia, Arkansas

Arkadelphia is a city in Clark County, Arkansas, United States. According to 2005 Census Bureau estimates, the population of the city was 10,548. The city is the county seat of Clark County. The city is situated at the foothills of the Ouachita Mountains. Two universities, Henderson State...

, the two towns are otherwise unrelated.

Arkadelphia is located on Alabama Hwy 91 and its only business is Swans Grocery that has been located there for many years.