The Republican leader of the Illinois House and five Illinois voters have filed a lawsuit asking the state Supreme Court to throw out the legislative district map drawn in 2021.

The lawsuit comes after House Republicans failed to gain seats in the two election cycles since a new map was drawn in 2021 following the census and implemented for the 2022 election. Republicans lost five seats in 2022 and failed to win any back in 2024, leaving House Democrats with 78 members in the 118-member House.

Republicans in the Illinois House say the state’s current legislative map is unconstitutional and illegally favors Democrats, and the GOP is asking the state’s Supreme Court to intervene.

A lawsuit has been filed with the Illinois Supreme Court in an effort to throw out the current legislative maps that the plaintiffs said are the result of extreme gerrymandering. The complaint, filed by State Rep.