Kaem Nagar is a village in Koilwar tehsil in district of Bhojpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Kaem Nagar was 8,554 which includes 4,542 males and 4,012 females. Kaem Nagar covers 400 ha area. Pincode of Kaem Nagar is N/A.