Sevastopol's 2026 population is now estimated at 401,452. In 1950, the population of Sevastopol was 105,490. Sevastopol experienced a decrease of -100 residents over the past year, marking an annual decline of -0.02%. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Sevastopol, which typically includes Sevastopol's population in addition to adjacent suburban areas.