Jamnagar's 2023 population is now estimated at 667,899. In 1950, the population of Jamnagar was 101,828. Jamnagar has grown by 9,247 in the last year, which represents a 1.4% 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 Jamnagar, which typically includes Jamnagar's population in addition to adjacent suburban areas.