A member of the Republican Party of Minnesota, he represents District 54 in the southwestern Twin Cities metropolitan area.

His mother taught elementary school for 40 years, finishing her career in Shakopee, Minnesota.

He was a member of the Prior Lake-Savage School Board from 2000 to 2012 and served as its chair.

In 2020 he won reelected over DFL nominee Sahra Odowa with 62% of the vote.

Pratt and his wife have two children and reside in Prior Lake, Minnesota.