Dorchester Map
The City of Dorchester is located in Macoupin County in the State of Illinois. Find directions to Dorchester, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. The Dorchester time zone is Central Daylight Time which is 6 hours behind Coordinated Universal Time (UTC).
Nearby cities include Wilsonville, Brushy Mound, Dorsey, Shipman, Holiday Shores.