Karim Chaki Balu is a village in Harnaut tehsil in district of Nalanda, Bihar, India. As per the data provided by Census of India in 2011, total population of Karim Chaki Balu was 577 which includes 294 males and 283 females. Karim Chaki Balu covers 32.71 ha area. Pincode of Karim Chaki Balu is 803110.