2011Flipped from DemocraticFinal results
2011 election for Louisiana Senate District 21
Louisiana State Senate · Louisiana
R. L. Allain II (R) won with 51.4% of the vote, defeating Darrin Guidry (R) by 2.7 points, a seat Democrats won last time.
R. L. Allain IIRepublican · winner
51.4%14,618
Darrin GuidryRepublican
48.6%13,846
28,464 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 2011
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET