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.
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. In 2011, Alandur had a growth rate of 12 percent.
MGR Market or Alandur grocery market is about 200 years old. Its 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.