Puliyankudi is a town at the foot hill of the western ghats and has gentle slope from west. As of 2011, the town had a population of 66,034. The economy of the town is concentrated around the lemon trade and the hosiery products market.
According to 2011 census, Puliankudi had a population of 66,034 with a sex-ratio of 1,011 females for every 1,000 males, much above the national average of 929. A total of 6,638 were under the age of six, constituting 3,358 males and 3,280 females. Scheduled Castes and Scheduled Tribes accounted for 17.62% and .26% of the population respectively. The average literacy of the town was 69.58%, compared to the national average of 72.99%. The town had a total of 17209 households. There were a total of 29,935 workers, comprising 950 cultivators, 5,479 main agricultural labourers, 5,140 in house hold industries, 16,102 other workers, 2,264 marginal workers, 58 marginal cultivators, 505 marginal agricultural labourers, 257 marginal workers in household industries and 1,444 other marginal workers.