Mamit district is a district of Mizoram state with its administrative headquarters located at Mamit town. Earlier, Mamit district was a part of the Aizawl district but later, in the year 1999 Mamit was bifurcated from the Aizawl district and emerged as a separate district in the map of Mizoram state. The district is well known for its huge production of orange for which it is often called “The Orange garden of Mizoram”.

Geographically, the district lies at 23°93' N latitude and 92°49' E longitude. The altitude in the district is 718 m. In the year 2021, there was a total 89.87% forest area of total geographical area. The district encompasses a geographical area of 3,025 sq km. and it is bounded by Hailakandi district on the North, Lunglei district on the South, Kolasib district and Aizawl district on the East and North Tripura district of Tripura and Bangladesh on the West. The climate of the district remains pleasant throughout the year. Most of its rainfall occurs in the monsoon season. The actual rainfall in the district was 1965.8 mm in the year of 2021-22.

Administration wise, the district is divided into 3 blocks namely Reiek, West Phaileng and Zawlnuam. Moreover, it comprises 3 towns and 123 villages. The administrative language in the district is Mizo. The district has total 3 legislative assembly constituencies such as Hachhek, Dampa and Mamit.

According to 2011 census the population in the district is 86,364 out of which 44,828 are males and 41,536 are females. The district has a sex ratio of 927 (females for every 1000 males) and child ratio of 979 (females per 1000 males). During the year 2001-2011 the population growth rate in the district was 37.56% including 35.37% were males and 39.99% were females. As per 2011 census the major religion in the district is Christian with 80.01% of the total population. The population density in the district is 29 (persons per sq. km.). As per 2011 census the principal languages in the district are Lushai/Mizo, Bengali and Tripuri with 62.61%, 17.17% and 17.64%. In the year 2020 the number of live births in the district was 1,824 out of which 926 were males and 898 were females. In the same year the number of deaths in the district was 304 out of which 213 were males and 91 were females.

The economy of the district is mainly dependent on agriculture. More than half of its population are engaged in agriculture in order to earn their livelihood. The chief agricultural products in the district are paddy, maize, sugarcane, banana, vegetables, fodder crops, etc. Every year a huge chunk of revenue comes from the agricultural products in the district helps in its economy to a great extent. Since, the district is scantily industrialised hence it has only a few small scale industries of toys, handicrafts, shawls, bamboo products, etc. It is famous for its dense plantation of teak and bamboo tray called Thalangara tray that used for winnowing. In the year 2005-06 the gross domestic product in the district was Rs. 18,750 lakhs at current price and Rs. 14,648 lakhs at constant prices in the year 1999-2000. The net domestic product in the district during the period 2005-06 was Rs. 17,015 lakh at current price and Rs. 13,299 lakh at constant prices in the year 1999-2000. The Per Capita Income or NDDP, At Factor Cost during the period 2005-06 was Rs. 27,355 at current price and Rs. 622 at constant prices in the year 1999-2000.

The district is well known as an abode of several reputed educational institutions. It provides a platform for higher education. Most of its educational institutions are affiliated to the Mizoram University. As per 2011 census the literacy rate in the district is 84.93% including 89.13% are males and 80.35% are females. The literate population in the district is 60,191 out of which 32,977 are males and 27,214 are females. The illiterate population in the district is 26,173 out of which 11,851 are males and 14,322 are females.

The district has several centres of attraction which allures many travellers from different parts of the country as well as world. Dampa forest, a dense forest declared as a Tiger Reserve in the year 1994 covers an area of almost 550 sq km. This reserve is mainly concerned with protection of the population of tiger and save them from being hunted down by the poachers. Some other foremost fauna of the reserve are giant squirrel, leopard, jungle cat, wild boar and macaques. Pukzing, a place in the district has the largest cave, beautiful Lungkulh Lake and Kanghmun village which attract number of visitors to this place. Some other notable places of interest in the district are Phuldungsei, West Phaileng, Lungkulh and Saitlaw.