Agios Athanasios's 2026 population is now estimated at 17,727. In 1992, the population of Agios Athanasios was 6,930. Agios Athanasios has grown by 248 in the last year, which represents a 1.42% annual change. These population values and projections come from CYSTAT Census of Population 1992 households and population by district/town/village/quarter, CYSTAT Census of Population 2011 population by place of residence, CYSTAT Census of Population and Housing 2021 API table 1891108E and World Population Review Internal Projections .