In 1970, Kay graduated from Taylor University in Indiana where he received a bachelor of arts degree in political science and business administration.

After graduation, Dwight Kay began his career at Cassens Transport. Since 1995, Kay has held the position of Vice President. In 2008, Dwight Kay was the Republican candidate for State Representative in the 112th District and received nearly 24,000 votes. In addition, Kay lead the effort in the Metro East to begin the impeachment process of then Illinois Governor Rod Blagojevich; Kay founded ImpeachTheGov.com where he collected over 1,300 petition signatures from citizens in favor of impeaching Governor Blagojevich. On Thursday, January 29, 2009 Blagojevich was impeached and removed from office.

In 2004, Dwight Kay served as Finance Chairman for Illinois Supreme Court Justice Lloyd Karmeier. Since 2004, Kay has been a member of the Illinois Chamber’s Employment Law Counsel. In 2006, Kay served as Campaign Chairman for Illinois Appellate Court Justice Stephen McGlynn. Kay is also the former chairman of National Automobile Transporters Association Claims Council. Dwight Kay is a member of Gideons International and an elder of Hope Presbyterian Church in Collinsville.

Dwight, along with his wife Nancy and daughter Christy reside in Glen Carbon. His son Brad is a graduate of the University of Illinois and his daughter Christy attends Southern Illinois University at Edwardsville.

On Tuesday, November 6th, 2012 Dwight Kay was elected to a second term as State Representative of the new 112th District. Representative Kay represents the following communities in the Metro East; Caseyville, Collinsville, Edwardsville, Fairview Heights, Glen Carbon, Granite City, Maryville, and O’Fallon.