Changanassery, () formerly Changanacherry, is a municipality in the Kottayam district of Kerala, India. It is located south of the district headquarters in Kottayam and about north of the state capital Thiruvananthapuram. As per the 2011 Indian census, Changanassery has a population of 47,485 people, and a population density of .
Changanassery is an important market town, was historically one of the centres of administration and culture in the Central Travancore region. The Changanassery market, established in AD 1805, served as the main trading point in the transport of rice, pepper, dry ginger, and piece goods between the coastal areas in the west and the mountains of the east. The "Anchu Vilakku" lamps were installed by the locals in 1905 near the boat jetty, and continues to serve as a symbol of the religious and ethnic harmony of the region. Changanassery is also famous for SB College, one of the oldest and prestigious institutions established by the Catholic Church in 1922 and for providing higher education to Travancore Region in Kerala in beginning of 20 th Century. The College Tower of SB College, with Christ The King on top of it, continues to stand as symbol for wisdom and education in Kerala.
The city is governed by the Changanacherry Municipal Council.Ms Beena Joby is the chairperson of the municipality and the vice chairperson Mr Mathews George.
It heads the taluk Kachery (office). It also heads the Munsiff's court and the judicial first class magistrate's court. Changanacherry assembly constituency was a part of Kottayam (Lok Sabha constituency). However, after the Delimitation Commission's Report in 2005, in order to retain Mavelikkara Lok Sabha Constituency, Changanacherry segment in Kottayam and the neighbouring constituencies in Alappuzha and Kollam districts were put together under Mavelikkara constituency. Sri. Kodikunnil Suresh represents Mavelikkara constituency in Parliament and Sri. Job Michael represents Changanacherry Constituency in the Kerala Legislative Assembly now.
Changanassery has a tropical monsoon climate. There is significant rainfall in most months of the year. The short dry season has little effect on the overall climate. The Köppen-Geiger climate classification is Am. The temperature here averages . In a year, the average rainfall is about .
The Indian census collects statistics for both the Changanassery municipality and the Changanassery Urban Agglomeration (including its surrounding panchayat areas). The Changanassery UA includes Changanassery municipality as well as neighbouring panchayats like Paippad, Thrikodithanam and Chethipuzha in Vazhapilly panchayat.
As of the 2011 Indian census Changanassery municipality has a population of 47,485, an 8.2% decline from the 51,967 registered in 2001. Of this, 48.13% are male and 51.86% are female. The total population of the Changanassery UA is 127,987, of which 48.29% are male and 51.71% are female. The percentage of children below the age of 6 was 8.9% in Changanassery and 9.02% in the Changanassery UA. The literacy rate of Changanassery in 2011 was 97.19% (98.01% for males and 96.45% for females), which was higher than the state average of 94% and the national average of 74.04%. The literacy rate of the Changanassery UA in 2011 was 97.56% (98.19% for males and 96.98% for females).
According to the 2011 census, Hindus are the plurality, with 48% of the population adhering to the religion. Christians form a significant minority, constituting 35% of the population. Muslims constitute 17% of the population.
The headquarters of the Nair Service Society, an organization created for the social advancement and welfare of the Nair community of Hindus, is located in Perunna. Changanassery is also the center of the Archdiocese of Changanassery, one of the largest dioceses of the Syro-Malabar Catholic church in India.
There was a Vedic school at Vazhappally Salagramam (Vazhappally Shala) in ancient times during the rule of the Thekkumkur. It was run exclusively for Brahmins. It is the oldest educational institution in Changanassery on record. The Vazhappally Sala was destroyed by the army of Ramayyan Dalawa during the Battle of Changanassery between Thekkumkur and Travancore in 1790.