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. Dorsey has a post office with ZIP code 62021.
History
A post office has been in operation at Dorsey since 1857. The community bears the name of Samuel L. Dorsey, a local pioneer. ==References==