Kotwa Khem 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 Kotwa Khem was 257 which includes 139 males and 118 females. Kotwa Khem covers 29.1 ha area. Pincode of Kotwa Khem is 841436.