Kaunia is a village in Kusheshwar Asthan Purbi tehsil in district of Darbhanga, Bihar, India. As per the data provided by Census of India in 2011, total population of Kaunia was 2,925 which includes 1,566 males and 1,359 females. Kaunia covers 451 ha area. Pincode of Kaunia is N/A.