Susitna North is a census-designated place (CDP) in the Matanuska-Susitna Borough in the U.S. state of Alaska. It is part of the Anchorage, Alaska Metropolitan Statistical Area. The population was 1,260 at the 2010 census. The CDP was formerly named Y /ˈwaɪ/, for the intersection of the George Parks Highway and the Talkeetna Spur Road.