It was decided that the railroad must take the shortest route, which means it should bypass Kargopol and traverse the current territory of Nyandomsky District.

On July 15, 1929, the uyezds were abolished, the governorates merged into Northern Krai, and the Nyandomsky District was established.

[2] In 1930, the okrug was abolished, and the district was subordinated to the central administration of Northern Krai.

Minor areas in the east of the district belong to the basins of the left tributaries of the Vaga River—the Vel, the Padenga, and the Led.

An area in the north of the district belongs to the basin of the Mekhrenga River, a right tributary of the Yemtsa.

The following selsoviets have been established (the administrative centers are given in parentheses):[3] As a municipal division, the district is divided into one urban settlement and two rural settlements (the administrative centers are given in parentheses):[6] The most important industry in the district is timber industry.

Food industry is also present[10] Agriculture in the region is limited mostly to milk and meat production.

[11] The district contains thirty-one objects classified as cultural and historical heritage of local importance.