A Republican, she is a member of Idaho House of Representatives for District 9 seat B. Boyle is the current chair of the Western Legislative Forestry Task Force (WLFTF).
[5] On November 2, 2010, as an incumbent, Boyle won the general election unopposed and continued serving District 9 seat B.
[7] On November 4, 2014, as an incumbent, Boyle won the election unopposed and continued serving District 9 seat B.
[12] Boyle on November 18, 2020, announced that she would run against Mike Moyle for Idaho House of Representatives Majority Leader.
[13] In 2023, Boyle and Idaho Senator Tammy Nichols introduced HB 154,[14] a bill that would make it a misdemeanor to provide or administer a vaccine developed using mRNA technology in any individual or mammal in the state.