It is strategically situated along the Mississippi River. Concordia Parish is almost entirely bounded by rivers, except for short stretches of land on the north and south boundaries. The parish consists of 696 square miles. There are a total of 479,113 acres of which 22,230 acres is rivers, lakes and bayous greater than 40 acres in size.
Land use is mainly agriculture and woodland.
About 63 percent of the land is cultivated cropland or pasture land and about 32 percent is in woodland. The parish has a population of 20,828. Vidalia is the parish seat and overlooks the Mississippi River on the eastern border.