The aim of the study was to make a mid-term projection of income in five crop production activities of great importance in Poland, i.e. for winter wheat, winter rye, spring barley, winter rapeseed and sugar beet. The study shows the impact on the level of income, projected rate of change in the prices of materials for agricultural production and the dynamics of expected changes in the level of production and income of the studied activities in agricultural holding groups with different direct costs incurred for crops farming.