2012Final results
2012 election for Colorado House District 51
Colorado House of Representatives · Colorado
Brian Delgrosso (R) won with 54.2% of the vote, defeating Mark R. Shaffer (D) by 12.8 points.
Brian DelgrossoRepublican · winner · incumbent
54.2%23,760
Mark R. ShafferDemocrat
41.4%18,165
Michael RenkerLibertarian
4.4%1,928
43,853 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 2012
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET