Current member
Senate
WA
Democrat
Former member
Senate
MA
Democrat
Former member
Senate
MD
Democrat
Former member
Senate
NM
Democrat
Former member
Senate
NY
Democrat
Former member
Senate
SD
Democrat
Former member
Senate
NC
Democrat
Former member
Senate
IA
Democrat
Former member
Senate
VT
Independent
Former member
Senate
MA
Democrat
Former member
Senate
MD
Democrat
Current member
Senate
WA
Democrat
Current member
Senate
RI
Democrat
Former member
Senate
WV
Democrat