Thekbahiar is a village in Narayanpur tehsil in district of Jamtara, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Thekbahiar was 131 which includes 69 males and 62 females. Thekbahiar covers 27 ha area. Pincode of Thekbahiar is 815352.