As of 2011 census, Thevaram had a population of 16,079. Males constitute 49.64% of the population and females 50.36%. Thevaram has an average literacy rate of 69.56%, higher than the national average of 59.5%: male literacy is 75.68%, and female literacy is 63.53%. In Thevaram, 9% of the population is under 6 years of age.
Total number of households: 4225
Population
Persons
Males
Females
Total
16,079
7,981
8,098
In the age group 0–6 years
1,463
738
725
Literates
11,185
6,040
5,145
Illiterate
4,894
1,941
2,953
As of 2001 India Tamil Nadu theni district census, Thevaram had a population of 14,501. Males constitute 50% of the population and females 50%. Thevaram has an average literacy rate of 66%, higher than the national average of 59.5%: male literacy is 74%, and female literacy is 59%. In Thevaram, 10% of the population is under 6 years of age.