Robertsdale is a city in Baldwin County, Alabama, United States, which includes the community of Rosinton.

Robertsdale is located in southern Baldwin County at 30°33'16.034" North, 87°42'20.038" West (30.554454, -87.705566).

As of the 2020 United States census, there were 6,708 people, 2,349 households, and 1,532 families residing in the city.

23.7% of all households were made up of individuals, and 10.2% had someone living alone who was 65 years of age or older.

Robertsdale is a part of the Baldwin County Public Schools system.