Tom Demmer

Tom Demmer (born August 3, 1986) is an American politician.

Demmer was a Republican member of the Illinois House of Representatives representing the 90th district from 2013 to 2023. The 90th district, located in northwestern Illinois included parts of Lee County, Ogle County, LaSalle County, and DeKalb County.

Education and career
Demmer was born and raised in Dixon, Illinois, where he continues to live with his wife. He attended St. Anne School, Newman Central Catholic High School, and the University of Dayton, where he earned a Bachelor of Arts degree in communications with a minor in political science.

He was a White House intern in the Office of the Vice President in 2006. For a time, Demmer was Director of Innovation & Strategy at KSB Hospital. From 2008 to 2012, he was a member of the Lee County Board.

In 2023, he became Executive Director of the Lee County Industrial Development Association. The Lee County Industrial Development Association is a not-for-profit organization whose mission is to promote, develop, and facilitate industrial, commercial, and business enterprises in Lee County

Illinois House of Representatives
Demmer was a top Illinois House Republican who served as Deputy Republican Leader from 2018 to 2023. Demmer was the chief budget negotiator for the Illinois House Republicans, and was the caucus leader on Medicaid and healthcare policy issues.

Previously, Demmer was Republican Conference Chairman from January 2017 to July 2018. He was a member of the Joint Committee on Administrative Rules from 2016 to 2023.

Demmer was the Republican Spokesperson on the Special Investigating Committee II in 2020 to investigate the conduct of Michael Madigan, the then-Speaker of the Illinois House of Representatives, who was later indicted by a federal grand jury on 22 counts of racketeering and bribery in connection with alleged corruption schemes.

Demmer served as an Illinois co-chair for the John Kasich's 2016 presidential campaign.

In the 2022 general election, Demmer ran for Illinois Treasurer. Demmer lost the election to incumbent Mike Frerichs.