Malunja Kh 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 Malunja Kh was 902 which includes 459 males and 443 females. Malunja Kh covers 470.03 ha area. Pincode of Malunja Kh is 431109.