2015Final results
2015 election for Louisiana Senate District 4
Louisiana State Senate · Louisiana
Wesley T. Bishop (D) won with 64.8% of the vote, defeating R. Erich Caulfield (D) by 40.2 points.
Wesley T. BishopDemocrat · winner
64.8%16,336
R. Erich CaulfieldDemocrat
24.6%6,195
Joseph SwiderDemocrat
10.6%2,665
25,196 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 2015
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET