Manapakkam is located between Ramapuram and Mugalivakkam in the North, Nandambakkam (part) and St. Thomas Mount in the East, Nandambakkam (Part) and Meenambakkam in the South and Kulapakkam in the West.
As of 2001[update] India census, Manapakkam had a population of 8590. Males constitute 52% of the population and females 48%. Manapakkam has an average literacy rate of 73%, higher than the national average of 59.5%: male literacy is 77%, and female literacy is 69%. In Manapakkam, 11% of the population is under 6 years of age.