Accident is a town in Garrett County, Maryland, United States. The population was 325 at the 2010 census. The town is home to Northern Garrett High School. According to the book Labels for Locals by Paul Dickson, a person from Accident is called an “Accidental”. According to the United States Census Bureau, the town has a total area of 0.49 square miles, all of it land. Continue reading for more.