Hayden is a town in Blount County, Alabama, United States. At the 2010 census the population was 444.
Hayden is located in southwestern Blount County at 33°53'36.236" North, 86°45'25.139" West (33.893399, -86.756983). Hayden Mountain is a broad, low ridge that rises to the northwest above the town. Alabama State Route 160 passes through the center of the town, leading 5 miles (8 km) southwest to Interstate 65 north of Warrior, and northeast 13 miles (21 km) to Cleveland.
According to the U.S. Census Bureau, the town of Hayden has a total area of 1.1 square miles (2.9 km2), all land.
At the 2000 census, there were 470 people, 191 households and 136 families residing in the town. The population density was 499.1 per square mile (193.1/km2). There were 207 housing units at an average density of 219.8 per square mile (85.0/km2). The racial makeup of the town was 91.91% White, 6.60% Black or African American, 0.64% Native American, 0.43% Asian, and 0.43% from two or more races. 0.21% of the population were Hispanic or Latino of any race.
There were 191 households, of which 35.6% had children under the age of 18 living with them, 59.2% were married couples living together, 10.5% had a female householder with no husband present, and 28.3% were non-families.