Marengo County, Alabama

Marengo County was created on February 6, 1818 by the Alabama Territorial Legislature, about two years before statehood [1]. Judge Abner Lipscomb suggested the name, linking it to a legend that some early settlers had fought under Napoleon at Marengo, Italy, in 1800. The seat is Linden, and the largest city is Demopolis. The 2020 estimate was 19,323 residents across 982 square miles in the Black Belt region.

History

Congress granted four townships to a group of French immigrants on March 3, 1817 for a grape and olive colony known as the Vine and Olive Colony. Linden was first called the Town of Marengo and was renamed in 1823. The county’s 1850s Greek Revival courthouse in Linden is described as the oldest of its style in Alabama [1].

Economy

Farming dominated until the mid-1900s. Cotton was the leading cash crop until the 1930s, after which farmers shifted toward corn, livestock, soybeans and catfish ponds, and timber along the Tombigbee River also provided jobs. Education and health care employed 27.1 percent of workers in 2020 and manufacturing 17.7 percent [1]. See Black Belt.

Education and attractions

The county system runs three schools, Demopolis City Schools seven and Linden City Schools five. Attractions include Gaineswood, a Greek Revival mansion built 1843 to 1861, Bluff Hall (1832), Lyon Hall, the Geneva Mercer Museum, the 520-acre Chickasaw State Park and the Alabama Rural Heritage Center in Thomaston. Waldo L. Semon, inventor of PVC, has county ties [1].

Formation and name

Marengo County was created on February 6, 1818, by the Alabama Territorial legislature from land acquired from the Choctaw under the 1816 Treaty of Fort St. Stephens. The name honors Napoleon’s 1800 victory at the Battle of Marengo and recognizes early Bonapartist settlers exiled from France. Linden, the county seat, was originally the Town of Marengo and was renamed in 1823 after the French victory at Hohenlinden, and Demopolis is the largest city.[2]

Geography and population

The county covers 983 square miles in Alabama’s Black Belt, bordered by the Tombigbee and Black Warrior rivers. It had 19,323 residents in 2020 and a 2025 estimate of 18,311; the median age is 43.6 and 67.8 percent live in rural areas. It adjoins Hale, Perry, Dallas, Wilcox, Clarke, Choctaw, Sumter and Greene counties.[2]

Economic history

The Black Belt’s rich soil supported cotton plantations worked by enslaved people, who made up most of the population before the Civil War, and after the war the economy remained agricultural, with sharecropping and tenant farming. Population fell sharply during and after World War II as people left for manufacturing jobs. Former cotton fields became pastures, timber plantations and catfish ponds, and paper mills, lumber mills and chemical plants arrived from the 1960s.[2]

Historic sites

The county has 28 sites on the National Register of Historic Places, one of them a National Historic Landmark, and 19 on the Alabama Register. Chickasaw State Park and the Alabama Rural Heritage Center are also located there.[2]

FAQs

When was it created? February 6, 1818.

What is the seat? Linden.

Sources

1. Encyclopedia of Alabama: Marengo County
2. Wikipedia: Marengo County, Alabama

Editorially reviewed by Specialty Digest Editorial TeamLast reviewed November 10, 2026Researched and drafted with AI assistanceReport an issue