|Elevation||587 ft (179 m)|
|Time zone||UTC-6 (Central (CST))|
|• Summer (DST)||UTC-5 (CDT)|
|GNIS feature ID||422634|
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.
A post office has been in operation at Dorsey since 1857. The community bears the name of Samuel L. Dorsey, a local pioneer.