C.D. Davidsmeyer is a member of the Illinois House of Representatives, representing District 100. He assumed office in 2012. His current term ends on January 13, 2027. Davidsmeyer is running for re-election to the Illinois House of Representatives to represent District 100. He is on the ballot in the general election on November 3, 2026. He advanced from the Republican primary on March 17, 2026.