| 1955 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1956 | | Guayaquil | placement.2RU |
| 1958 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1959 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1968 | | Guayaquil | placement.FINALIST |
| 1969 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1971 | | Quito | page.geo_unit_pageant.unplaced |
| 1975 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1980 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1983 | | Guayaquil | placement.WINNER |
| 1986 | | Guayaquil | placement.2RU |
| 1987 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1987 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1991 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1993 | | Quito | page.geo_unit_pageant.unplaced |
| 1996 | | Quito | page.geo_unit_pageant.unplaced |
| 1998 | | Quito | placement.1RU |
| 2000 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 2001 | | Quito | page.geo_unit_pageant.unplaced |
| 2001 | | Quito | placement.3RU |
| 2001 | | Quito | page.geo_unit_pageant.unplaced |
| 2002 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 2002 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 2005 | | Quito | page.geo_unit_pageant.unplaced |
| 2007 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 2009 | | Manta | placement.WINNER |
| 2010 | | Quito | page.geo_unit_pageant.unplaced |
| 2012 | | La Libertad | page.geo_unit_pageant.unplaced |
| 2012 | | La Libertad | page.geo_unit_pageant.unplaced |
| 2014 | | Guayaquil | placement.WINNER |
| 2014 | | Guayaquil | placement.4RU |
| 2016 | | Machala | placement.3RU |
| 2018 | | Machala | placement.WINNER |
| 2020 | | Manta | placement.SEMIFINALIST |
| 2021 | | Quevedo | placement.WINNER |