[7] The territory of the district encompasses almost the entire northern half of the Kola Peninsula, excluding the town of Ostrovnoy.

[2] On July 31, 1930, the administrative commission of the Leningrad Executive Committee granted the district an ethnic status.

[13] The Presidium of the Leningrad Oblast Executive Committee confirmed this decision on January 7, 1931.

[15] The November 21, 1964 Decree by the Presidium of the Supreme Soviet of the RSFSR restored the unified Soviets of People's Deputies and the executive committees of the krais and oblasts where the division into the urban and rural districts was introduced in 1962, and the districts of Murmansk Oblast were re-categorized as regular districts again by the January 12, 1965 Presidium of the Supreme Soviet of the RSFSR Decree.

There are also some Izhma Komi, who migrated there by the end of the 19th century from what is now the Nenets Autonomous Okrug.