1971Final results
1971 Democratic primary for Louisiana Senate District 4
Louisiana State Senate · Louisiana
Adrian G. Duplantier (D) won with 66.5% of the vote, defeating John J. Campo (D) by 33.0 points.
Adrian G. DuplantierDemocrat · winner · incumbent
66.5%14,390
John J. CampoDemocrat
33.5%7,246
21,636 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET