1999Final results
1999 runoff for Louisiana Senate District 17
Louisiana State Senate · Louisiana
Robert Marionneaux Jr. (D) won with 50.8% of the vote, defeating Tim Johnson (R) by 1.7 points.
Robert Marionneaux Jr.Democrat · winner
50.8%15,786
Tim JohnsonRepublican
49.2%15,266
31,052 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 1999
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)