King went to Northwest Missouri State University from 1967 to 1970 but could not complete his graduation from there. King had affair with Marilyn Kelly and got married to her in 1972. They have three grown-up sons named David, Michael, and Jeff, and have seven grandchildren from them. He is a hardworking businessman and runs his own construction company.
The successful business personality entered into politics and was elected as a representative from the congressman. King served in Iowa State Senate for six years and contributed to various committees and contributed to enforcing various new laws regarding tax, parenting rights, abortions, and others.