Sihagaon is a village in Balrampur tehsil in district of Katihar, Bihar, India. As per the data provided by Census of India in 2011, total population of Sihagaon was 2,897 which includes 1,468 males and 1,429 females. Sihagaon covers 334.01 ha area. Pincode of Sihagaon is N/A.