According to the 2011 census, the taluk of Gudiyattam had a population of 439,873 with 218,236 males and 221,637 females. There were 1016 women for every 1000 men. The taluk had a literacy rate of 70.12. Child population in the age group below 6 was 23,285 Males and 22,413 Females.
- "Provisional Population Totals - Tamil Nadu-Census 2011" (PDF). Census Tamil Nadu. Retrieved 4 July 2013.
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