As per the
2011 Indian census, Perumpetty has a population of 14,396. It has a sex ratio of 1099 females per 1000 males. Children below 6 years of age constitute 8.15% of the total population.
Scheduled Castes and Scheduled Tribes constitute 12.27% and 0.26% of the population respectively. The total literacy rate was 97.48% (97.63% for males and 97.35% for females), which is higher than the state average of 94% and the national average of 74.04%. ==References==