 The 1994 national census reported a total population for this woreda of 83,492, of whom 40,933 were men and 42,559 were women; 25,991 or 31.13% of its population were urban dwellers.The largest ethnic group reported in Tahtai Koraro was the Tigrayan (98.98%), and Tigrinya was spoken as a first language by 98.97%.The majority of the inhabitants practice Ethiopian Orthodox Christianity, with 92.27% reporting that as their religion, while 7.67% follow Muslim.