Irbid's 2026 population is now estimated at 571,259. In 1950, the population of Irbid was 19,982. Irbid has grown by 3,895 in the last year, which represents a 0.69% 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 Irbid, which typically includes Irbid's population in addition to adjacent suburban areas.