Alangudimahajanam is a village in Lalgudi tehsil in district of Tiruchirappalli, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Alangudimahajanam was 1,381 which includes 672 males and 709 females. Alangudimahajanam covers 654.87 ha area. Pincode of Alangudimahajanam is 621702.