Chaumukha Khurd is a village in Guthani tehsil in district of Siwan, Bihar, India. As per the data provided by Census of India in 2011, total population of Chaumukha Khurd was 140 which includes 64 males and 76 females. Chaumukha Khurd covers 33 ha area. Pincode of Chaumukha Khurd is N/A.