Thummalapen Pahad is a village in Atmakur tehsil in district of Nalgonda, Telangana, India. As per the data provided by Census of India in 2011, total population of Thummalapen Pahad was 4,672 which includes 2,362 males and 2,310 females. Thummalapen Pahad covers 1923 ha area. Pincode of Thummalapen Pahad is 508212.