Holt is an unincorporated community and census-designated place (CDP) in Tuscaloosa County, Alabama, United States.

[2] According to the U.S. Census Bureau, the community has a total area of 3.2 square miles (8.3 km2), all land.

Holt first appeared on the census in 1950 as the unincorporated community of Holt-Fox.

There were 2,006 housing units at an average density of 567.1 per square mile (219.0/km2).

28.5% of all households were made up of individuals, and 9.3% had someone living alone who was 65 years of age or older.

There were 1,603 housing units at an average density of 500.9 per square mile (193.4/km2).

28.2% of all households were made up of individuals, and 10.0% had someone living alone who was 65 years of age or older.