| No. | Year | Host Institution(s) |
| 1st | 1979 | University of Oklahoma, Norman, Oklahoma |
| 2nd | 1980 | University of Kansas, Lawrence, Kansas |
| 3rd | 1981 | Wichita State University, Wichita, Kansas |
| 4th | 1982 | University of Tulsa, Tulsa, Oklahoma |
| 5th | 1983 | Kansas State Historical Society, Topeka, Kansas |
| 6th | 1984 | Kansas State University, Manhattan, Kansas |
| 7th | 1985 | University of Oklahoma, Norman, Oklahoma |
| 8th | 1986 | Nebraska State Historical Society, University of Nebraska, University of Nebraska – State Museum, Lincoln, Nebraska |
| 9th | 1987 | Wichita State University and the Kansas Academy of Sciences, Wichita, Kansas |
| 10th | 1988 | Kansas State Historical Society, Topeka, Kansas |
| 11th | 1989 | University of Kansas, Lawrence, Kansas |
| 12th | 1990 | University of Missouri-Kansas City, Kansas City, Missouri |
| 13th | 1991 | University of Nebraska-State Museum, University of Nebraska, and Nebraska State Historical Society, Lincoln, Nebraska |
| 14th | 1992 | Kansas State University, Manhattan, Kansas |
| 15th | 1993 | Wichita State University, Wichita, Kansas |
| 16th | 1994 | Kansas State Historical Society, Topeka, Kansas |
| 17th | 1995 | University of Oklahoma, Norman, Oklahoma |
| 18th | 1996 | St. Joseph Museum and Pony Express National Memorial, St. Joseph, Missouri |
| 19th | 1997 | Kansas State University, Manhattan, Kansas |
| 20th | 1998 | Department of Historic Preservation, Wichita and Affiliated Tribes, Anadarko, Oklahoma |
| 21st | 1999 | University of Kansas, Lawrence, Kansas |
| 22nd | 2000 | Wichita State University, Wichita, Kansas |
| 23rd | 2001 | University of Oklahoma, with the 43rd Caddo Conference, Norman, Oklahoma |
| 24th | 2002 | Kansas State University, Manhattan, Kansas |
| 25th | 2003 | Kansas State Historical Society, Topeka, Kansas |
| 26th | 2004 | St. Joseph Museum, Pony Express National Memorial, St. Joseph |
| 27th | 2005 | Council Grove/Cottonwood Falls, Kansas |
| 28th | 2006 | Wichita State University, Wichita, Kansas |
| 29th | 2007 | Coronado/Quivera Museum, Lyons, Kansas |
| 30th | 2008 | University of Kansas, Lawrence, Kansas |
| 31st | 2009 | Kansas State Historical Society, Topeka, Kansas |
| 32nd | 2010 | Courson Archaeological Research/Frank Phillips College, Perryton, Texas |
| 33rd | 2011 | Wichita State University, Wichita, Kansas |
| 34th | 2012 | Emporia State University and the Delaware Tribe of Indians, Emporia Kansas |
| 35th | 2013 | Kansas State University, Manhattan, Kansas |
| 36th | 2014 | Fort Osage, Sibley, Missouri |
| 37th | 2015 | Iowa Tribe of Kansas and Nebraska, White Cloud, Kansas |
| 38th | 2016 | Army Corp of Engineers and Nebraska State Historical Society, Omaha, Nebraska |
| 39th | 2017 | Wichita State University and Cowley College, Arkansas City, Kansas |
| 40th | 2018 | University of Kansas and Washburn University, Lawrence, Kansas |
| 41st | 2019 | Nebraska History Museum, Lincoln, Nebraska |
| 42nd | 2020 | Kansas Historical Society, Topeka, Kansas |
| 43rd | 2022 | Nebraska History Museum, Lincoln, Nebraska |
| 44th | 2022 | Fort Osage National Historic Landmark, Sibley, Missouri |