As of 2001[update] India census, Adoor had a population of 28,943, with males constituting 48% of the population and females 52%. Adoor has an average literacy rate of 85%, higher than the national average of 59.5%; with 49% of the males and 51% of females literate.[dubious– discuss] 10% of the population is under 6 years of age.
Adoor has more or less the same climatic conditions as prevalent elsewhere in Kerala, with a dry season spanning December to February and hot season from March to May. The climate is generally moderate, with temperatures rising from 20 C to 39 C. The southwest monsoon from June to September and the northeast monsoon from October to November provide fairly good rain.
Adoor possesses fertile agricultural land and plantations. Tapioca, varieties of vegetables and spices like cardamom and pepper are extensively cultivated. The taluk also abounds in extensive rubber plantations.
The main attraction in Adoor is the Krishna Sree Parthasarathy Temple. The temple is dedicated to Lord Krishna, known here by the name of Parthasarathy. It is one of the oldest Krishna temples in Kerala. Gajamela, the elephant pageant on the concluding day of the annual festival at the temple, is the main highlight of the 10-day festival celebrations.
The Mannadi Temple has historical importance due to the sacrifice of Travancore Diwan Velu Thampi Dalava (1765–1809), who fought the British Raj.
Hermon Aramana, the headquarters of Adoor Diocese of Marthoma Church, and the Marthoma Youth Center are other culturally important places in Adoor.
Adoor Immanuel Marthoma Church
St. Mary's Orthodox Church, and Sacred Heart Malankara Catholic Church
Adoor-Kadampanad Diosis of orthodox church
Kannamkode St. Thomas Orthodox Cathedral, and the centre of Adoor-Kadampanad Diosis of orthodox church is also located near Kannamcode Cathedral Adoor. The cathedral has two branches, chapels in Kottamukal, and St. Thomas Orthodox Cathedral in Pannivizha, Kadampanad.
The following are churches in the heart of the town, and are some of the other churches of importance in this region.
The Salvation Army Divisional headquarters and Central Church Adoor
Mor Ignatius Jacobite Syrian Church, MC Road, Vadakadathukavu
St. Gregorios Church
Peringanad Marthashmooni Orthodox Valiya Palli, the first church in the name of Marthashmooni in India, Peringnad, Adoor.
The Chandanapally Valiyapally Church
The Chandanapally Valiyapally Church is located 10 kilometres (6.2 mi) from Adoor. Chembuduppu (meaning choosing of copper vessels), a special ritual that has a place in Kerala's cultural history, takes place in Chandanapally every year.