Abstract: The research subject is social relations in the field of public order protection, ensuring social security and combating crime in an administrative area and the implementation of preventive measures by a local police officer. The authors focus on the factors and peculiarities of the supervised area and its population affecting the establishment and revisioning of the size and limits of an administrative area supervised by a local police officer, and on the amendments to the decree of the Ministry of Internal Affairs of March 29, 2019 No205 “On a local police officer service in an administrative area and organization of this service”. Based on the conducted analysis, the authors suggest, when defining the size and limits of an administrative area, taking into account the population density in the area in question, economic, geographic, national and demographic peculiarities on the territory, the criminological characteristics of the citizens, the number of citizens having a police record, the current operative situation, and the peculiarities of administrative organization of municipal entities. In the authors’ opinion, the resolution of this problem will have a positive effect on the work of police officers, and will help to equally and rationally distribute workload on local police officers thus raising the effectiveness of their service and improving the quality of preventive measures.