[7][8] After the death of Chester Crandell, Allen was selected to replace him on the primary ballot and was elected to the Arizona State Senate District 6 seat in 2014, taking office on January 5, 2015.

[citation needed] Allen was defeated in her bid for re-election in 2020, losing to Wendy Rogers in the Republican primary.

[12] Speaking at a June 2009 Rural Development and Retirement Committee hearing regarding a uranium mine, Allen said the world was "6,000 years old.

[14] According to the White Mountain Independent "Former Navajo County detention officer Tim Hunt was first terminated and then allowed to resign last year after allegations he had sexual contact with inmates in exchange for contraband.

[15] In March 2015, Allen filed a senate bill that would provide detention officers, like her son-in-law, with greater protections from disciplinary investigations.

When contacted by media outlets, Allen attempted to clarify by saying the reason this concerned her was that she viewed many South American countries as "socialist".

Within the same speech, Allen claimed that "our boys are struggling to know how to be men" due to "this feminist movement" which was "destroying our families", and denounced the Equal Rights Amendment.

In January 2020, Allen introduced a bill to ban the word "Homosexuality" from Arizona's SexEd curriculum.