Rohtak's 2025 population is now estimated at 522,082. In 1950, the population of Rohtak was 70,008. Rohtak has grown by 11,681 in the last year, which represents a 2.29% 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 Rohtak, which typically includes Rohtak's population in addition to adjacent suburban areas.