2019 – Kelly Grimes, Indianola (View complete standings)
2018 – Robin Webb – Clive (View complete standings)
2017 – Rose Kubesheski, Dubuque (View complete standings)
2016 – Rose Kubesheski, Dubuque (View complete standings)
2015 – Peggy Garrett, Marion
2014 – Carroll Dethrow, Nevada
2013 – Rose Kubesheski, Dubuque
2012 – Carroll Dethrow, Nevada
2011 – Janece Schwartzkopf, Stuart
2010 – Rose Kubesheski, Dubuque