Cincinnati's 2023 population is now estimated at 1,775,009. In 1950, the population of Cincinnati was 881,202. Cincinnati has grown by 10,996 in the last year, which represents a 0.62% 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 Cincinnati, which typically includes Cincinnati's population in addition to adjacent suburban areas.