Dorsey is an unincorporated community in Madison County, Illinois, United States.

Dorsey is located in Moro Township, 6 miles (9.7 km) north-northeast of Bethalto.

[2] Dorsey has a post office with ZIP code 62021.

[4] The community bears the name of Samuel L. Dorsey, a local pioneer.

This Madison County, Illinois location article is a stub.