According to the 2011 census, the taluk of Gangavalli had a population of 161,185 with 80,634 males and 80,551 females. There were 999 women for every 1000 men. The taluk had a literacy rate of 65.4. Child population in the age group below 6 was 8,163 Males and 7,302 Females.
- "Provisional Population Totals - Tamil Nadu-Census 2011". Census Tamil Nadu. Retrieved 4 July 2013.
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