Other Louisiana parishes of similar character are East and West Carroll, Madison and Tensas, all in this lowlying delta land.

[4] Concordia Parish was the home to many successive Native American cultures for thousands of years before European encounter.

Historic Native American tribes encountered by early French explorers and colonists were the following: Concordia was named by Anglo-American settlers for a Latin word meaning "harmony".

They came mostly after the Louisiana Purchase of 1803, when the United States took over this formerly French colonial area west of the Mississippi.

Vidal moved his family across the Mississippi River to the Louisiana side after the time era of the US began.

The Mansion started the name "Concord" and ultimately later led to the birth of what would be Concordia Parish.

During the year of 1804, a ceremony of transfer was held and the citizens and Mayor of Natchez crossed over to the Louisiana side of the Mississippi to honor the new land that was founded.

Its territory that included parts of the present parishes of East Carroll, Madison, and Tensas.

[5] Land between the Mississippi, Red, Black, and Tensaw rivers comprised the early local administration of Concordia.

[6] Because Concordia's alluvial soil was unusually productive for cotton growing, it attracted large plantations, whose owners enslaved a very high number of people.

[7] As might be expected, the small number of white cotton planters in Concordia were fierce defenders of chattel slavery and strongly backed the Confederacy during the American Civil War.

As of the 2020 United States census, there were 18,687 people, 7,162 households, and 4,562 families residing in the parish.

There are two types of library cards offered: 1086th Transportation Company of the 165th CSS (Combat Service Support) Battalion of the 139th RSG (Regional Support Group) is based in Vidalia, Louisiana on the west bank of the Mississippi River.