Congressman Aaron Shock (R-Peoria) was elected President of the Illinois State Society of Washington, DC on May 23, 2012 at the annual meeting at the Army-Navy Club in Washington, DC. He is the 23rd Illinois Member of Congress to lead the society since 1867. Aaron Schock (born May 28, 1981) is the United States Representative for Illinois's 18th congressional district, serving since 2009. The district is based in Peoria and includes part of Springfield. At the age of 31, Schock is both the youngest currently serving U.S. representative and 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. It has been the tradition of the Illinois State Society since 1917 to rotate the chair position every two years by party affiliation.