Penza's 2021 population is now estimated at 522,207. In 1950, the population of Penza was 190,030. Penza has grown by -885 since 2015, which represents a -0.17% 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 Penza, which typically includes Penza's population in addition to adjacent suburban areas.