Chinamachanur is a village in Marripadu tehsil in district of Sri Potti Sriramulu Nellore, Andhra Pradesh, India. As per the data provided by Census of India in 2011, total population of Chinamachanur was 908 which includes 474 males and 434 females. Chinamachanur covers 1998 ha area. Pincode of Chinamachanur is 524312.