Tacna
- Country:
- Peru
- Continent:
- South America
Tacna's 2025 population is now estimated at 347,494. In 1950, the population of Tacna was 17,059. Tacna has grown by 5,030 in the last year, which represents a 1.47% 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 Tacna, which typically includes Tacna's population in addition to adjacent suburban areas.