According to the 2011 Census of India, the town of Saiha had a population of approximately 25,110. Like much of Mizoram, the town has experienced steady growth, though updated official census figures are pending. The community is remarkably young and vibrant.
The ethnic composition is overwhelmingly Mara, alongside notable populations of Mizo, Lai, and other minority communities. The population is predominantly Christian, a legacy of the early 20th-century missionary movements, with the Evangelical Church of Maraland (ECM) being the largest denomination.
Saiha boasts a high literacy rate, typically exceeding 90%, reflecting the region's strong cultural emphasis on education. The primary languages spoken are Mara and Mizo, while English is widely used in official, educational, and business contexts.
