Aaron Jon Schock (born May 28, 1981) is United States Representative for Illinois's 18th congressional district, serving since 2009. He is a member of the Republican Party. The district is based in Peoria and includes part of Springfield. At the age of 33, Schock is the third youngest currently serving U.S. representative, after Patrick Murphy of Florida, and Elise Stefanik of New York. Additionally, he was the first member of the U.S. Congress born in the 1980s. Previously, Schock served two terms in the Illinois House of Representatives and was its youngest member. On March 17, 2015, after controversy about his use of federal funds, Schock announced his resignation from Congress, effective March 31.