Demography
As of 2001 India census, Mudukulathur had a population of 13,130. Males constitute 50% of the population and females 50%. Mudukulathur has an average literacy rate of 71%, higher than the national average of 59.5%: male literacy is 76%, and female literacy is 65%. In Mudukulathur, 12% of the population is under 6 years of age.
During olden days, the town used to be called Mutthukulathur meaning "the town with pearls in its lakes" in Tamil with obvious reference to the three ponds "oorani". However the name of the town changed over the years to Mudhukulathur meaning "town of oldest ponds" in an ironical reference to the absence of the pearls and the ponds drying up.
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