|Time zone||UTC+5:30 (IST)|
According to the information gathered in 2001, Keezhkulam had an average literacy rate of 79%, which is higher than the Indian national average of 59.5%. Male literacy was at 79% and female literacy was at 72%. Also according to the census, 11% of the population was under 6 years of age.
- "Census of India 2001: Data from the 2001 Census, including cities, villages and towns (Provisional)". Census Commission of India. Archived from the original on 2004-06-16. Retrieved 2008-11-01.