Tetarhat is a village in Ramgarh Chowk tehsil in district of Lakhisarai, Bihar, India. As per the data provided by Census of India in 2011, total population of Tetarhat was 6,265 which includes 3,269 males and 2,996 females. Tetarhat covers 331.9 ha area. Pincode of Tetarhat is 811311.