In 2016, the total population is 2,274,321. Tamils, Badagas and Thodas are the major ethnic groups, and English, Badaga, Kannada, Malayalam, Tamil and Thodas are the languages used.
The Diocese of Ootacamund came into being by the Apostolic Constitution, Nuntiatur in Psalmis, of Pope Pius XII, promulgated on July 3, 1955. The Diocese of Ootacamund comprises the entire civil district of the Nilgiris, parts of the district of Erode and a small portion of the District of Coimbatore which lies north of the River Bhavani.
Towns are governed by municipalities, whereas villages and small towns are administered by local bodies called panchayats. The members of the local bodies are elected by adult suffrage.
The diocese, which is mostly in a hilly area, is well connected by roads. The nearest airport is in Coimbatore city.
The diocese stretches over a land area of 7,312 square kilometers. Ooty is the largest town in the diocese.
The diocesan territory has a per capita income of 19,027 rupees (approximately US$425 as of December 2006). Tourism, tea, coffee, spices and vegetables are major revenue earners.
Government and private operators provide extensive telecommunication facilities in the diocesan area. The diocese is well connected by local cable TV networks.
The literacy rate is 80.01 percent.