Provided are a system and method for coping with a blackout based on real-time population distribution. An apparatus for coping with a blackout based on real-time population distribution prepares for rolling blackouts while ensuring the safety of people's lives as much as possible by, when a blackout is inevitable due to an increase in power demand, implementing rolling blackouts mainly in regions in which there are a smaller number of people than a previously set number of people, providing notifications of rolling blackout times in advance, notifying people in a region not to be blacked out that no blackout will occur, etc.