2007Final results
2007 election for Louisiana Senate District 21
Louisiana State Senate · Louisiana
D. A. Gautreaux (D) won with 71.0% of the vote, defeating Clayton D. Diaz (R) by 41.9 points.
D. A. GautreauxDemocrat · winner · incumbent
71.0%25,348
Clayton D. DiazRepublican
29.0%10,372
35,720 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 2007
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET