Nidamarru is a village in Kruthivennu tehsil in district of Krishna, Andhra Pradesh, India. As per the data provided by Census of India in 2011, total population of Nidamarru was 6,613 which includes 3,297 males and 3,316 females. Nidamarru covers 2612 ha area. Pincode of Nidamarru is 521324.