According to 2011 census, Viluppuram district had a population of 3,458,873 with a sex-ratio of 987 females for every 1,000 males, much above the national average of 929. A total of 404,106 were under the age of six, constituting 208,246 males and 195,860 females. Scheduled Castes and Scheduled Tribes accounted for 29.37% and 2.16% of the population respectively. The average literacy of the district was 63.48%, compared to the national average of 72.99%. The district had a total of 800,368 households. There were a total of 1,703,249 workers, comprising 322,900 cultivators, 537,581 main agricultural labourers, 23,961 in house hold industries, 376,360 other workers, 442,447 marginal workers, 46,746 marginal cultivators, 294,632 marginal agricultural labourers, 14,276 marginal workers in household industries and 86,793 other marginal workers.