As per 2001 population Chinna Kalvarayan over 20,000 and Periya Kalvarayan 15,000 populations. The community had wedding tax, cultivation tax, registration of births and deaths, and everyone had to offer gifts to jagirdhar's families during Pongal celebrations.
According to data from 2001, Chinna Kalvarayan had a population of over 20,000 people, while Periya Kalvarayan had a population of 15,000. The community levied taxes on weddings and cultivation, registered births and deaths, and required residents to provide gifts to the jagirdhar's family during Pongal festivities.