Omandhur is a village in Manachanallur tehsil in district of Tiruchirappalli, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Omandhur was 2,093 which includes 1,031 males and 1,062 females. Omandhur covers 1269.01 ha area. Pincode of Omandhur is 621006.