Utsunomiya's 2021 population is now estimated at 521,669. In 1950, the population of Utsunomiya was 113,754. Utsunomiya has grown by -431 since 2015, which represents a -0.08% 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 Utsunomiya, which typically includes Utsunomiya's population in addition to adjacent suburban areas.