She previously served as an Idaho State Representative for Districts 14B and 20B from 1997 until her appointment to fill the vacancy caused by the resignation of Senator Gerry Sweet.
[9] McKague defeated Democratic nominee Laurynda "Ryndy" Williams with 68.7% of the vote in the general election.
[13] McKague defeated Democratic nominee Kenton S. Travis with 65.6% of the vote in the general election.
[16] McKague defeated Steve Coyle, and Trevor A. Chadwick in the Republican primary with 62.8% of the vote.
[20] McKague defeated WesLee Hoalst, and Milt Erhart in the Republican primary with 45% of the vote.