Harlochanpur is a village in Sarairanjan tehsil in district of Samastipur, Bihar, India. As per the data provided by Census of India in 2011, total population of Harlochanpur was 5,670 which includes 2,881 males and 2,789 females. Harlochanpur covers 318.17 ha area. Pincode of Harlochanpur is N/A.