Parma's 2025 population is now estimated at 336,487. In 1950, the population of Parma was 240,106. Parma has grown by 1,322 in the last year, which represents a 0.39% 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 Parma, which typically includes Parma's population in addition to adjacent suburban areas.