Caserta's 2025 population is now estimated at 433,012. In 1950, the population of Caserta was 262,597. Caserta has grown by 1,084 in the last year, which represents a 0.25% 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 Caserta, which typically includes Caserta's population in addition to adjacent suburban areas.