Altoona is a town in Etowah County in the U.S. state of Alabama. It is part of the Gadsden Metropolitan Statistical Area. At the 2020 census, the population was 948. Altoona had its start in the year 1900 as a mining town, and was named for another coal town, Altoona, Pennsylvania. A post office has been in operation at Altoona since 1900. It incorporat…Altoona is a town in Etowah County in the U.S. state of Alabama. It is part of the Gadsden Metropolitan Statistical Area. At the 2020 census, the population was 948. Altoona had its start in the year 1900 as a mining town, and was named for another coal town, Altoona, Pennsylvania. A post office has been in operation at Altoona since 1900. It incorporated in 1908.