Kumharkol Buzurg is a village in Sahdai Buzurg tehsil in district of Vaishali, Bihar, India. As per the data provided by Census of India in 2011, total population of Kumharkol Buzurg was 1,765 which includes 890 males and 875 females. Kumharkol Buzurg covers 81 ha area. Pincode of Kumharkol Buzurg is 844507.