Ulagamkathan is a village in Kallakkurichi tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Ulagamkathan was 4,360 which includes 2,142 males and 2,218 females. Ulagamkathan covers 822.02 ha area. Pincode of Ulagamkathan is 606202.