Rock Creek is a census-designated place in Jefferson County, Alabama, United States.

[3] According to the U.S. Census Bureau, the CDP has a total area of 3.0 square miles (7.8 km2), all land.

Rock Creek was first listed as a census designated place in the 2000 U.S.

[19][18] As of the 2020 United States census, there were 1,471 people, 645 households, and 443 families residing in the CDP.

There were 615 housing units at an average density of 205 per square mile (79/km2).

19.4% of all households were made up of individuals, and 7.7% had someone living alone who was 65 years of age or older.

There were 592 housing units at an average density of 203.9 per square mile (78.7/km2).

17.9% of all households were made up of individuals, and 6.9% had someone living alone who was 65 years of age or older.