diff --git a/us/states.py b/us/states.py
index c9f7fee..68d2bd9 100644
--- a/us/states.py
+++ b/us/states.py
@@ -1415,12 +1415,11 @@ def mapping(from_field: str, to_field: str, states: Optional[Iterable[State]] =
     WY,
 ]
 
-STATES_AND_TERRITORIES: List[State] = STATES + TERRITORIES
+STATES_AND_TERRITORIES: List[State] = STATES + TERRITORIES + [DC]
 
 COMMONWEALTHS: List[State] = [KY, MA, PA, VA]
 
 if DC_STATEHOOD:
     STATES.append(DC)
-    STATES_AND_TERRITORIES.append(DC)
     STATES_CONTIGUOUS.append(DC)
     STATES_CONTINENTAL.append(DC)