Table of Smofcons
| Num. | Date | Site, City | Chair (Sponsoring Org.) | Ice Breaker Game | Att. |
|---|---|---|---|---|---|
| 0 | 1973 or 1974? | Sheraton, New York, NY | Stew Brownstein | xx | |
| 1 | October 12-14?, 1984 | Washington, DC | Ben Yalow, Joe Siclari, Theresa Renner | Fannish Trivial Pursuit | xx |
| 2 | November ?, 1985 | Oakland, CA cancelled | Tom Whitmore, Debbie Notkin + 3 others | xx | |
| 3 | December 5-7, 1986 | Lowell Hilton, Lowell, MA | Mark Olson (MCFI) | If I Ran The | 137 |
| 4 | November 20-22, 1987 | Columbus, OH | Bob Hillis | ? | xx |
| 5 | December 9-11, 1988 | Hyatt Regency Phoenix, Phoenix, AZ | Bruce Farr (CASFS) | If I Ran The | 102 |
| 6 | December 8-10, 1989 | Holiday Inn Airport, Toronto, ON, Canada | Lloyd & Yvonne Penney | ? | xx |
| 7 | December 7-9, 1990 | Airport Hilton, Ft. Lauderdale, FL | Joe Siclari (SFSFS) | ? | xx |
| 8 | December 6-8, 1991 | Shilo Inn Airport, Portland, OR | John Lorentz (OSFCI) | ? | ~128 |
| 9 | December 4-6, 1992 | New Orleans, LA | Peggy Rae Pavlat | ? | ~95 |
| 10 | April 23-25, 1993 | Hotel de France, Jersey, Channel Islands, UK | Tim Illingworth | ? | xx |
| 11 | December 3-5, 1993 | Lexington Marriott, Lexington, KY | Scott & Jane Dennis | ? | ~110 |
| 12 | December 2-4, 1994 | Burbank Hilton, Burbank, CA | Chocolate Moose; Vice Chairs: Bruce Pelz & Ben Yalow (SCIFI) | ? | ~175 |
| 13 | December 1-3, 1995 | Austin Red Lion, Austin, TX | Fred Duarte, Jr. (FACT) | ? | 121 |
| 14 | December 6-8, 1996 | Seattle Hilton, Seattle, WA | Richard Wright (NCL) | ? | xx |
| 15 | December 5-7, 1997 | Doubletree Suites Hotel, Boston, MA | Sharon Sbarsky (MCFI) | Spin City | 153 |
| 16 | December 4-6, 1998 | Radisson Inn, Colorado Springs, CO | Kent Bloom (FFF) | Whirled Science Fiction Business Meeting | 86 |
| 17 | December 10-12, 1999 | New Orleans, LA | Michael Siladi (SFSFC) | ?? | |
| 18 | December 1-3, 2000 | Cocoa Beach, FL | Joe Siclari (SFSFS) | ?? | |
| 19 | December 7-9, 2001 | York, UK | KIM Campbell | ?? | |
| 20 | December 6-8, 2002 | Hacienda Hotel, San Diego, CA | Scott & Jane Dennis | ~125 | |
| 21 | December 5-7, 2003 | Embassy Suites O'Hare, Rosemont, IL | Erik V. Olson (Midfan) | 123 | |
| 22 | December 3-5, 2004 | Washington, DC | Peggy Rae Sapienza (WSFA) | Time Travel: Coming Then to a SMOFcon Near You | ~123 |
| 23 | December 2-4, 2005 | Red Lion Convention Center Hotel, Portland, OR | David Schaber (OSFCI) | ?? | |
| 24 | December 1-3, 2006 | The Hotel Phillips, Kansas City, MO | Margene Bahm (MASFFC) | ?? | |
| 25 | December 7-9, 2007 | Hilton Boston Logan Airport, Boston, MA | Geri Sullivan (MCFI) | ~214 | |
| 26 | December 5-7, 2008 | Columbus, OH | Kim Williams | ?? | |
| 27 | December 4-6, 2009 | Austin, TX | Karen Meschke | Alamo | ?? |