Margaret is a city in St. Clair County, Alabama, United States.

At the 2000 census there were 1,169 people in 401 households, including 326 families, in the city.

There were 457 housing units at an average density of 49.2 per square mile (19.0/km2).

[7] Of the 401 households 41.9% had children under the age of 18 living with them, 60.8% were married couples living together, 16.5% had a female householder with no husband present, and 18.7% were non-families.

At the 2010 census there were 4,428 people in 1,543 households, including 1,252 families, in the city.

There were 1,698 housing units at an average density of 182.6 per square mile (70.5/km2).

As of the 2020 United States census, there were 5,106 people, 1,256 households, and 1,088 families residing in the city.