Chak Madu is a village in Mohiuddinagar tehsil in district of Samastipur, Bihar, India. As per the data provided by Census of India in 2011, total population of Chak Madu was 116 which includes 66 males and 50 females. Chak Madu covers 12 ha area. Pincode of Chak Madu is N/A.