Chak Milki is a village in Warisnagar tehsil in district of Samastipur, Bihar, India. As per the data provided by Census of India in 2011, total population of Chak Milki was 576 which includes 316 males and 260 females. Chak Milki covers 22.26 ha area. Pincode of Chak Milki is N/A.