1968Final results
1968 Democratic primary runoff for Louisiana House District 18
Louisiana House of Representatives · Louisiana
William S. Boyd (D) won with 54.7% of the vote, defeating Alvin Dyson (D) by 9.4 points.
William S. BoydDemocrat · winner · incumbent
54.7%12,472
Alvin DysonDemocrat
45.3%10,334
22,806 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET