Nagamangala is a PuraSabhe and a taluk in Mandya district, in the Indian state of Karnataka.

Nearest railway station is B.G.Nagar at 17 km.

As of 2011[update] India census,[2] Nagamangala had a population of 17776.

Males constitute 50% of the population and females 50%.

In Nagamangala, 12% of the population is under 6 years of age.