Dorchester Boundaries

This is an approximate map of the Dorchester, MA Boundaries. These boundaries have been determined based on addresses, landmarks, Dorchester Civic Association boundaries, and resident knowledge.

2010 Map of Dorchester

If you have changes or suggestions for the map, please email info@mydorchester.org.

For reference, this is a historic map of Dorchester from 1858:

1858 Historic Map of Dorchester

Again, the SCI Dorchester map has outlined these boundaries simply for reference, as the exact boundaries of Dorchester have been known to fluctuate as frequently as day to day.