Linden is a city in and the county seat of Marengo County, Alabama, United States. The population was 1,930 at the 2020 census, down from 2,123 at the 2010 census.

Marengo County is a county located in the west central portion of the U.S. state of Alabama. As of the 2020 census, the population was 19,323. The largest city is Demopolis, and the county seat is Linden. It is named in honor of the Battle of Marengo near Turin, Italy, where French leader Napoleon Bonaparte defeated the Austrians on June 14, 1800.