On January 11, 2016, he succeeded fellow Republican Lenar Whitney, whom he unseated in the runoff election held on November 21, 2015.

The lone Democratic candidate, Brenda Leroux Babin, polled the remaining but critical 2,809 ballots (31.4 percent).

[4] A particularly conservative politician, Whitney was among the defeated candidates in the 2014 race for Louisiana's 6th congressional district seat, won by another Republican, Garret Graves, who succeeded Bill Cassidy, a physician who was instead elected to the other U. S. Senate previously held by the New Orleans Democrat Mary Landrieu.

Early in 2016, Magee joined a 76-28 House majority to support legislation by Representative Katrina Jackson, a Democrat from West Monroe, that increases the state sales tax by one cent over eighteen months, beginning April 1, 2016.

Joining Magee in support of the bill were area lawmakers Democrat Jerry "Truck" Gisclair of Larose and Republican Jerome Zeringue of Houma.