Ajmer's 2025 population is now estimated at 664,708. In 1950, the population of Ajmer was 192,884. Ajmer has grown by 12,582 in the last year, which represents a 1.93% 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 Ajmer, which typically includes Ajmer's population in addition to adjacent suburban areas.