IOWA
1952 - (DNC)
1953 - Marilyn Shonka (SF)
1954 - Ione Lukens (SF)
1955 - Jerri Jean Cole
1956 - Carol Laverne Morris (winner)
1957 - Judith Ann Hall (SF)
1958 - Sandra Mary Olsen
1959 - Kay Nielson (SF)
1960 - Truddy Shulkin (SF)
1961 - Deanne Ostermann
1962 - Regina Prusha
1963 - Dr. Ramona Meylor
1964 - Barbara Rogers
1965 - Mari Hardy
1966 - Janis Mieras
1967 - Kathleen Solt
1968 - April Anderson
1969 - Becky Stoner
1970 - Jacqueline Lee Jochims
1971 - Cindy Helmers
1972 - Jennifer Jo Owen
1973 - Dianne Roberts
1974 - Susan Jane Thompson
1975 - Kathleen Duggan
1976 - Sheri Lynn Davenport
1977 - Cindy Woodard
1978 - Michelle Daley
1979 - Teri Lee Rees
1980 - Lori Kromminga
1981 - Jennifer Lynn Wimpey
1982 - Jeanne Hoyer
1983 - Dana Ruth Mintzer (Miss Congeniality)
1984 - Michele Boisvert
1985 - Devin Steinberg
1986 - Holly Wilkins
1987 - Katy Lynn Magee
1988 - Julie Kemmerling
1989 - Marcy Requist
1990 - Elizabeth Muelhaupt
1991 - Heather Bowers
1992 - Pam Patrick
1993 - Jan Hoyer (SF)
1994 - Callie Pandit
1995 - Angela Hearne
1996 - Jill Simon
1997 - Shawn Marie Brogan
1998 - Jamie Solinger
1999 - Jaclyn Colleen Solinger
2000 - Jensie Gribsby (SF)
2001 - Clarissa Kroese
2002 - Lauren Wilson
2003 - Linsey Dara Grams
2004 - Brooke Hansen
2005 - Joy Robinson
2006 - Sarah Corpstein
2007 - Dani Reeves
2008 - Abbey Nicole Curran
2009 - Chelsea Lynn Gauger
2010 - Katherine Anna Connors
2011 - Rebecca Goldsmith
2012 - Rebecca Jean Hodge (Miss Congeniality)
2013 - Richelle Orr
2014 - Carlyn Bradarich (5th RU)
2015 - Taylor Even
2016 - Alissa Morrison
2017 - Kelsey Weier
2018 - Jenny Kim Valliere
2019 - Tate Elizabeth Fritchley
2020 - Morgan Kofoid
2021 - Katie Wadman
2022 - Randi Estabrook
2023 - Grace Lynn Keller