Leipzig's 2025 population is now estimated at 609,135. In 1950, the population of Leipzig was 606,197. Leipzig has grown by 2,215 in the last year, which represents a 0.36% 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 Leipzig, which typically includes Leipzig's population in addition to adjacent suburban areas.