In the period of progressing process of national economy restructuring and dynamic development of private property the particularly important problem is the changes of individual economic entities behaviour. This kind of entities as the agricultural farms requires to take empiric diagnostic tests on which basis the development aims will be assumed, the control instruments and strategy methods leading for realization or assumed aims will be selected. The paper presents the essence, justification and purposefulness of the multifunctional development in rural areas of the świętokrzyskie voivodship. It points out benefits and emphasizes the problem complexity, indispensable means and the change of the rural areas function. The present function of the agricultural materials production has to be replaced by the population initiative and enterprise in service performance and organization, craft production and agrotourism. The article presents an analysis of the development of non-agricultural activities in private farming on the local scale. The analysis was designed to identify the main factors stimulating non-agricultural economic activities. The analysis has indicated that the concentration of non-agricultural activities depend on the size of the spatial system. Empirical research showed that non-agricultural activity in private farming influences the profitability of private farming and the income situation of communes in the świętokrzyskie voivodship.