The research consists in studying the level of population's trust in nasleg administration (in the administrative-territorial unit) of MS "Khatyryksky nasleg" of Namsky ulus using the case study. The leading research methods for the problem are empirical methods that allow revealing the level of population's trust in administration. The population of Khatyryksky nasleg is satisfied with the quality of state services provided by the nasleg administration. The index of the nasleg administration is higher than that of the ulus administration, although both values exceed the high population trust index mark. The population's satisfaction with the activity of local government agencies is an index by which the efficiency of activity of the local self-government agencies can be determined in the sphere of municipal administration organization. This index characterizes the extent of the population's satisfaction with the activity of the local self-government agencies and its level of trust in government. It has been revealed that the population of MS "Khatyryksky nasleg" of Namsky ulus is not frank enough in expressing their opinion about the authorities. This research will allow administration enhancing the efficiency of using the tools for implementation of social and economic strategies and municipal structures development programs which influence the welfare and quality of life of the population.