Nidamarru is a village in Mangalagiri tehsil in district of Guntur, Andhra Pradesh, India. As per the data provided by Census of India in 2011, total population of Nidamarru was 6,196 which includes 3,032 males and 3,164 females. Nidamarru covers 1131 ha area. Pincode of Nidamarru is 522503.