Irasburg is a town in Orleans County, Vermont, United States. Irasburg was established in 1781 when the land was granted to Ira Allen, Roger Enos, Jerusha Enos (wife of Roger Enos), Jerusha Enos, Jr. (wife of Ira Allen), Roger Enos, Jr. and others by the Vermont General Assembly. Ira Allen later obtained the rights of the other proprietors, and he deeded the town to Jerusha Enos, Jr. as a wedding gift.
In 2010 the US census reported that there were 1096 citizens living in Irasburg. Irasburg has a total land area of 40.6 square miles (105 km2), 40.5 square miles (105 km2) being land and .1 square miles (0.26 km2) being water.
On average, it snows 9 out of the 12 months of the year.