Burch was elected in 2022 to serve in the Arizona State Senate representing District 9 as a member of the Democratic Party.

[1] Burch defeated Republican Robert Scantlebury in the general election, one of several legislative candidates who had been endorsed by President Donald Trump in Arizona.

[4][5] In an effort to personalize the debate over reproductive rights, Burch has spoken publicly about her struggles with trying to have children.

She stated that she has had several miscarriages, and an abortion in 2022, after she started to miscarry a non viable fetus.

[6] On March 18, 2024, Burch announced on the floor of the Arizona State Senate that she planned to abort her then-current pregnancy because the fetus was not viable.