Kapur Chak is a village in Phulwaria tehsil in district of Gopalganj, Bihar, India. As per the data provided by Census of India in 2011, total population of Kapur Chak was 190 which includes 99 males and 91 females. Kapur Chak covers 42.1 ha area. Pincode of Kapur Chak is 841425.