Maidi Kalan is a village in Islampur tehsil in district of Nalanda, Bihar, India. As per the data provided by Census of India in 2011, total population of Maidi Kalan was 2,330 which includes 1,195 males and 1,135 females. Maidi Kalan covers 339.54 ha area. Pincode of Maidi Kalan is N/A.