Gorakhpur's 2025 population is now estimated at 816,586. In 1950, the population of Gorakhpur was 129,550. Gorakhpur has grown by 14,952 in the last year, which represents a 1.87% annual change.These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Gorakhpur, which typically includes Gorakhpur's population in addition to adjacent suburban areas.