1972Final results
1972 election for Louisiana House District 40
Louisiana House of Representatives · Louisiana
Steven J. Dupuis (D) won with 85.6% of the vote, defeating David Mayne (R) by 71.2 points.
Steven J. DupuisDemocrat · winner
85.6%8,264
David MayneRepublican
14.4%1,392
9,656 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 1972
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET