Subject. This article deals with the issues of development of the economy of monocities and creation of agglomerations.
Objectives. The article aims to assess the impact of an urban agglomeration on changing the demographic situation in the monocities that make up its membership.
Methods. Examining the data of the Federal State Statistics Service, and official websites of the Nizhny Novgorod Oblast and monocities under consideration, we used a comparative analysis.
Results. Manufacturing and agriculture are the basis of the industry specialization of the monocities under consideration. During the period 2018–2020, the demographic situation in the monocities of the Nizhny Novgorod metropolitan area has not changed much.
Conclusions. To include a monocity in the metropolitan area, its various features should be considered. Comprehensive institutional measures to create effective governance models are necessary to heighten an agglomeration effect.