Derathoo is a village in Nasirabad tehsil in district of Ajmer, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Derathoo was 5,041 which includes 2,571 males and 2,470 females. Derathoo covers 2094.2 ha area. Pincode of Derathoo is 305601.