Kaigaon is a village in Gangapur tehsil in district of Aurangabad, Bihar, India. As per the data provided by Census of India in 2011, total population of Kaigaon was 3,442 which includes 1,750 males and 1,692 females. Kaigaon covers 976.98 ha area. Pincode of Kaigaon is N/A.