Koporagaon is a village in Gossaigaon tehsil in district of Kokrajhar, Assam, India. As per the data provided by Census of India in 2011, total population of Koporagaon was 373 which includes 201 males and 172 females. Koporagaon covers 98.62 ha area. Pincode of Koporagaon is N/A.