Thimmachur is a village in Tirukkoyilur tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thimmachur was 2,809 which includes 1,400 males and 1,409 females. Thimmachur covers 657.71 ha area. Pincode of Thimmachur is 605751.