According to the 2011 Census of India, Hnahthial town had a population of 7,187, comprising 3,573 males and 3,614 females, reflecting a healthy gender ratio. With its elevation to district headquarters, the population has likely experienced steady growth due to an influx of administrative staff and localized urbanization.
The population is overwhelmingly indigenous, primarily belonging to various Mizo tribes. Christianity is the dominant religion, with the Presbyterian and Baptist churches having the largest congregations. Hnahthial boasts an exceptional literacy rate of over 97%, significantly higher than the national average, reflecting the high value placed on education in Mizo society.
