Sillegaon 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 Sillegaon was 3,326 which includes 1,726 males and 1,600 females. Sillegaon covers 1289 ha area. Pincode of Sillegaon is N/A.