As per 2011 census,[1] the village has a total of 267 households with 2881 persons of which 964 are male while 917 are female.

Neighbouring villages of Ngainga are Seikhor, Tolloi, Phalee Somdal and Tuinem.

Ngainga is the birthplace of Luingamla who was shot dead on 24 January 1986 by Indian army personnel for resisting their attempt to rape her.

For this, the villagers got access to western education right from the coming of Christian missionaries to Ukhrul district.

As per 2011 census, the literacy rate of the village stood at 92.22% which is higher than the state's average of 76.94%.