During the British Rule of India the Mokokchung area was part of the Naga Hills District of Assam.

The Mokokchung subdivision of Naga Hills District was created in 1889, and it remained so following India independence in 1947.

Naga Hills District remained as a district of Assam until 1957, when it and Tuensang Frontier Division of the North-East Frontier Agency (now Arunachal Pradesh) were joined to form the centrally governed Naga Hills Tuensang Area.

[5] The sub-division of Mokokchung town is administered directly by the Deputy Commissioner and one Sub-Divisional Officer; Additional Deputy Commissioner (ADC) offices are located in the sub-divisions of Mangkolemba and Tuli administrative circles; a Sub-Divisional Officer is located in the sub-division of Changtongya circle, and Extra Assistant Commissioner EAC headquarters are located in the six remaining circles of Ongpangkong, Kubolong, Chuchuyimlang, Alongkima, Longchem and Merangmen.

The constituencies are Alongtaki, Jangpetkong, Impur, Angetyongpang, Koridang, Aonglenden, Mokokchung Town, Mongoya, Tuli and Arkakong.

This gives it a ranking of 591st in India (out of a total of 640), Mokokchung has a sex ratio of 925 females for every 1000 males, and a literacy rate of 91.6%.

The only urban areas of the district listed at the last census were Mokokchung (35,913), Tuli town (7,864), Changtongya (7,532) and Tsudikong (4,416).

This zone is said to include Chuchuyimpang, Mokokchung Village, Khensa, Ungma, Alichen and DEF colony.

[2][better source needed] Ongpangkong circle comprises the one town (and population) of Mokokchung Municipal Committee (35,913), and the nineteen villages of Ungma (9,443), Mokokchung Village (5,338), Chungtia (4,661), Alichen (4,198), Mangmetong (4,159), Longmisa (3,962), Longkhum (3,811), Chuchuyimpang (3,774), Longsa (3,206), Khensa (1,447), Aliba (1,045), Kupza (912), Kinunger (501), Settsu (497), Mekuli (280), Longjongkong (228), Chubayimkum (190), Moalenden (124), Meyilong (108).

[citation needed] Mangkolemba circle comprises the thirteen villages of Mangkolemba Hq (3,713), Khar (3,614), Changki (2,486), Longnak (768), Japu (487), Longsemdang (369), Chungliyimsen (337), Longtho (267), Atuphumi (257), Satsukba (242), Shihaphumi (206), Merakiong (175), Puneboto Comp.

[citation needed] Kobulong circle comprises the ten villages of Sungratsu (3,590), Longjang (3,504), Mopungchuket (3,072), Longpa (602), Kubolong Hq (517), Impur Mission Centre (458), Alongchen Comp.

[citation needed] Merangmen circle comprises the ten villages of Chungtiayimsen (1,839), Longphayimsen (1,548), Moayimti (841), Watiyim (728), Medemyim (335), Aosenden (246), Aosungkum (217), Aokum (116), Vikuto (114), Tsutapela (60).

[2] The main agricultural products of the district are Rice, Maize, Tomatoes, Passion Fruit, and Oranges.