Birsua is a village in Kasganj tehsil in district of Kanshiram Nagar, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Birsua was 1,644 which includes 834 males and 810 females. Birsua covers 310.42 ha area. Pincode of Birsua is N/A.