 There were 2014 males and 2172 females; the effective sex ratio was 1,078 females per 1000 males, above the state average of 995.467 were aged 0–6 years, which makes up 11.16% of total population, of whom 243 are male and 224 are female.Child Sex Ratio for the Passuvandanai as per census is 922, lower than Tamil Nadu average of 943.