In the Pol-Monica nutritional study salt intake in urban (Warsaw) and rural (Province of Tarnobrzeg) populations was assessed. Studied sample comprised 2490 men and 2738 women aged 35 to 64 years. Salt intake was significantly greater in the urban population (10-15 g) than in the rural population (8-12 g), and it was greater also in the male population (12-15 g) than in the female population (8-10 g). In the rural area the main salt source were soups (28-30%) while in the urban area the main source were bread, and rolls (23-24%). No significant age-related differences were observed in salt intake.