2006Final results
2006 election for Pennsylvania Senate District 20
Pennsylvania State Senate · Pennsylvania
Lisa Baker (R) won with 59.4% of the vote, defeating Robert G. McNamara (D) by 18.7 points.
Lisa BakerRepublican · winner
59.4%46,943
Robert G. McNamaraDemocrat
40.6%32,148
79,091 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