Cardiff Follow 0 Login or Sign Up to follow this page. It's free! Username or Email Address Password Remember Me Log In Updated: February 23, 2020 at 10:48 PM CSTGeneral Information About Cardiff, AL Cardiff is a municipality located in Jefferson County in the state of Alabama. As of 2020, Cardiff's population is 52, a loss of -5.45% from 2019.Social Media Missing Website: Website Missing View Map City Officials Mayor: Greg Moore - Unknown Party
