|Elevation||12 m (39 ft)|
|Time zone||IST (UTC+5:30)|
Alandur is a zone of Chennai corporation, and an urban node in Chennai district in Guindy taluk in the state of Tamil Nadu, India. Alandur had a population of 164,430 in the 2011. The town agglomeration of Alandur will have an estimated population of 300,000 by the year 2030. Alandur neighbours the St. Thomas Mount Cantontment, the Officers Training Academy of the Indian army and the nearby towns of Guindy and Adambakkam. Mr. M. G. Ramachandran, a former chief minister of Tamil Nadu started his political career by winning his first legislative election from Alandur in 1967. Alandur also holds famous landmarks of Chennai namely Nehru Statue and Kathipara Junction.
Alandur is well connected with road network system and round the clock bus facility is available. Kathipara Junction is at Alandur; there are several bus routes. It has the RTO for meenambakkam at its former municipal building which issues registration series TN-22.
The nearest railway station is St. Thomas Mount Railway Station; there are plans to accommodate five modes of public transport – suburban railway, Southern Railway, Metro Rail, MRTS and public buses. The St. Thomas Mount Railway station will be providing a facility to accommodate 1200 cars. This will be the first time that a commercial space of two floors will be attached with the transit station. The work is in-progress and is expected to be completed by the year 2015.
Alandur is located at  It has an average elevation of 12 metres (39 feet)..
According to 2011 census, Alandur had a population of 164,430 with a sex-ratio of 997 females for every 1,000 males, much above the national average of 929. A total of 16,074 were under the age of six, constituting 8,246 males and 7,828 females. Scheduled Castes and Scheduled Tribes accounted for 11.62% and .25% of the population respectively. The average literacy of the town was 85.23%, compared to the national average of 72.99%. The town had a total of 43411 households. There were a total of 64,698 workers, comprising 290 cultivators, 319 main agricultural labourers, 650 in house hold industries, 56,643 other workers, 6,796 marginal workers, 141 marginal cultivators, 146 marginal agricultural labourers, 199 marginal workers in household industries and 6,310 other marginal workers. As per the religious census of 2011, Alandur had 84.09% Hindus, 7.08% Muslims, 7.94% Christians, 0.06% Sikhs, 0.04% Buddhists, 0.25% Jains, 0.51% following other religions and 0.03% following no religion or did not indicate any religious preference. In 2011, Alandur had a growth rate of 12 percent.
- St.Peters Matriculation Higher Secondary School
- The PSBB Millennium School
- Mont fort high School
- Kiruba primary School
- Modern Senior Secondary school
- Bright Play School
- Vyasa Vidyalaya School
- AIM Nursery & Primary School
- NAJA Educational and Social Charitable Trust
- Alandur Baithulmaal Trust
Places of worship
- Ahle Hadees Masjid
- Rehmania Masjid
- Khathija Masjid
Temples & Associations
- Thulukanathamman Temple (More than 200 years old)
- Padai Veetu Amman (More than 200 years old)
- Sri Veera Anjaneya Temple (More than 200 years old)
- Dharmaraja Koil (Lord Draupadi Amman; more than 200 years old)
- Sri Subramanya Swamy Koil (More than 200 years old)
- Pazhavanthangal Vembuli Amman Koil (More than 300 years old)
- Aalachi Amman Koil (More than 50 Years old)
- Vedapuriswara Koil (Lord Shiva and Vishnu more than 50 years old)
- Angala Amman Koil (More than 50 years old)
- Karpaga Vinayagar Koil
- Kadumbadi Amman Koil
- Ponni Amman Koil
- Vasupujya Jain Shwetamber Temple
- Alandur Nagara Sri Ayappa Seva Sangam (Celebrated Golden Jubilee Year (1959–2009))
- Udumalaipettai Nagaraja Bhagavatar Bhajan Seva Mandali Trust Regd.
- Bhaktavatsala Anjenayar temple
- Dharmalingeshwarar Temple
- Lakshmi narasimhar Temple
- Sri Hayavadhana Temple
- Ardhanareeshwarar Temple
- Siddhi vinayagar Temple
- Hindu Colony Vinayagar Temple
- Shri Vishwaroopa Anjaneya Temple
- Shri Uttara Guruvayurappan Temple
- Shri Dhakshina Raghavendra Brindavan Trust
- Grace A.G Church,Nehru Colony,Palavanthangal
- St.Patrick's Catholic Church, Butt Road,
- St. Thomas Church, St. Thomas Mount
- St. Anthony's Catholic Church, Alandur
- St. Mark's Catholic Church, Adambakkam
- St. Jude's Catholic Church, Vanavampet
- Infant Jesus Catholic Church, Guindy
- Christ Church
- Garrison Church
- St.Thomas Anglican Church, Moovarsampet
- Masjid-a-Rahmania (Ahle Hadees- cement road)
- Masjid-a-Poorni Labbai
- Masjid Taqwa
- Masjid Tayyib
- Masjid TNTJ ALANDUR (66/10 labbai Street, Alandur Chennai 600016)
MGR Market or Alandur grocery market is about 200 years old. It is located in the middle of MKN Road (MKN Road starts from Guindy and ends at Meenabakkam Airport in GST Road). Alandur grocery market was donated to local marketeers by Mr. M. G. Ramachandran, a philanthropist and a former chief minister of Tamil Nadu.
- M. G. Ramachandran
- Falling Rain Genomics, Inc - Alandur
- "Census Info 2011 Final population totals". Office of The Registrar General and Census Commissioner, Ministry of Home Affairs, Government of India. 2013. Retrieved 26 January 2014.
- "Census Info 2011 Final population totals - Alandur". Office of The Registrar General and Census Commissioner, Ministry of Home Affairs, Government of India. 2013. Retrieved 26 January 2014.
- "Population By Religious Community - Tamil Nadu" (XLS). Office of The Registrar General and Census Commissioner, Ministry of Home Affairs, Government of India. 2011. Retrieved 13 September 2015.
- Kalyanaraman, M. (25 October 2011). "Migration Spurs Suburban Sprawl". The Times of India epaper. Chennai: The Times Group. Retrieved 25 Oct 2011.
- "Dr MGR » Extracts of his last will". Puratchithalaivar.org. 1987-01-18. Retrieved 2012-02-09.
- "List of Parliamentary and Assembly Constituencies" (PDF). Tamil Nadu. Election Commission of India. Archived from the original (PDF) on 31 October 2008. Retrieved 2008-10-08.