Subject. The article addresses the financial security of a typical household in Russia as a structural unit of the economy through forecasting and planning the dynamics of changes in the amount of budget revenues and expenditures. Objectives. The aim is to consider the budget of a typical household in Russia to ensure its financial security for fiscal year 1, analyze its situation and opportunities, make forecasting and planning for the next fiscal year, according to our own methodology, and also to present the household as a significant structural element in the economic system of the State. Methods. The study rests on methods of observation, comparison, logical analysis, our own method based on forecasting and planning, and graphical method. Results. We performed the analysis of trends in budget revenues and expenditures of a typical household. Based on the results and using our own methodology, we made a forecast and a plan for the dynamics of budget changes for the next financial year, within the framework of financial security mechanism. We substantiated the importance of household's financial decisions in relation to the development of the economic system of the State. Conclusions. The financial aspect in the family economy is directly dependent on the level of cultural development of household members. The economy of the State, in turn, depends on the level of financial culture of each of its structural element, i.e. a household. The offered mechanism for ensuring financial security will help increase the level of financial culture of household members, thus developing the economic system of the State from the grassroots levels.