Lockerbie is a town in Dumfries and Galloway, located in south-western Scotland. The 2001 Census recorded its population as 4,009. The m…Lockerbie is a town in Dumfries and Galloway, located in south-western Scotland. The 2001 Census recorded its population as 4,009. The most recent 2022 Census for Scotland recorded the towns population to be at 4,190 residents. The town came to international attention in December 1988 when the wreckage of Pan Am Flight 103 crashed there following a terrorist bomb attack aboard the flight.