According to the 2011 Census of Bangladesh, Tangail Sadar Upazila had 116,922 households and a population of 521,104. 112,157 (21.52%) were under 10 years of age. Tangail Sadar had a literacy rate (age 7 and over) of 53.06%, compared to the national average of 51.8%, and a sex ratio of 1003 females per 1000 males. 167,412 (32.13%) lived in urban areas.[5][6]
^"Bangladesh Postal Code". Dhaka: Bangladesh Postal Department under the Department of Posts and Telecommunications of the Ministry of Posts, Telecommunications and Information Technology of the People's Republic of Bangladesh. 20 October 2024.