Kurnool's 2025 population is now estimated at 765,324. In 1950, the population of Kurnool was 59,087. Kurnool has grown by 19,378 in the last year, which represents a 2.6% 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 Kurnool, which typically includes Kurnool's population in addition to adjacent suburban areas.