2006Final results
2006 election for Massachusetts Senate District D40
Massachusetts State Senate · Massachusetts
Robert A. Oleary (D) won with 63.3% of the vote, defeating Ricardo M. Barros (R) by 26.7 points.
Robert A. OlearyDemocrat · winner · incumbent
63.3%48,212
Ricardo M. BarrosRepublican
36.7%27,918
76,130 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2006
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET