| Official Name: | Narsingdi Sadar |
| Native Name: | নরসিংদী সদর |
| Settlement Type: | Upazila |
| Coordinates: | 23°N 90°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Bangladesh |
| Subdivision Type1: | Division |
| Subdivision Type2: | District |
| Subdivision Name1: | Dhaka |
| Subdivision Name2: | Narsingdi |
| Leader Title: | Upazila Chairman |
| Leader Name: | Aftab Uddin Bhuyian |
| Leader Title1: | Upazila Nirbahi Officer (UNO) |
| Leader Name1: | Md. Mehedi Morshed |
| Area Total Km2: | 213.43 |
| Population Total: | 707525 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Postal Code: | 1600 |
| Timezone: | BST |
| Utc Offset: | +6 |
Narsingdi Sadar (Bengali: নরসিংদী সদর) is an upazila of Narsingdi District in the Division of Dhaka, Bangladesh.
Narsingdi Sadar is located at 23.9167°N 90.725°W. It has 149,820 households and an area of .
According to the 2011 Bangladesh census, Narsingdi Sadar Upazila had 149,820 households and a population of 707,525. 172,113 (24.33%) were under 10 years of age. Narsingdi Sadar had a literacy rate (age 7 and over) of 50.87%, compared to the national average of 51.8%, and a sex ratio of 945 females per 1000 males. 234,711 (33.17%) lived in urban areas.[1] [2]
As of the 1991 Bangladesh census, Narsingdi Sadar has a population of 451335. Males constitute ~53% of the population, and females ~47%. This Upazila's eighteen up population is 226885. Narsingdi Sadar has an average literacy rate of 31% (7+ years), and the national average of 32.4% literate.[3]
Narsingdi Sadar Upazila is divided into two municipalities and 14 union parishads. The municipalities are: Madhabdi Municipality, Narsingdi Municipality; and the union parishads are: Alokbali, Amdia, Char Dighaldi, Chinishpur, Hajipur, Karimpur, Khathalia, Mahishasura, Meherpara, Nazarpur, Nuralapur, Paikarchar, Panchdona, and Silmandi. The union parishads are subdivided into 152 mauzas and 275 villages.
Madhabdi Municipality and Narsingdi Municipality are each subdivided into 9 wards.
The current Upazila Nirbahi Officer (UNO) of Narsingdi Sadar as of 15 March 2022 is Md. Mehedi Morshed.[4]
Madhabdi is located in Narsingdi Sadar upazila, Narsingdi district, Bangladesh. The Baburhat market of Madhabdi Pourashava (municipal corporation) is one of the most famous trade centers in Bangladesh for various kind of cloths.[5] There are many textile mills and textile-related industries situated here.[6]
See also: Education in Bangladesh. There are 27 colleges in the upazila, most located in Narsingdi town. Those inside the town include: Narsingdi Govt. College, Narsingdi Science College, Narsingdi Independent College, Narsingdi Govt. Mohila College, Abdul Kadir Mollah City College, Baburhat Green Field College, Farida Hashem International College, Jaj Bhuiyan College, Madhabdi College, Madhabdi Digital College, Narsingdi Central College, Narsingdi Imperial College, Narsingdi Prime College, Narsingdi Udayon College, Scholastica Model College, and Shilmandi Adarsha College.[7]
Notable secondary schools of the town include Brahmondi K.K.M Govt High School (1946), NKM High School and Homes (2008), Satirpara K.K. Institution School & College (1901), Narsingdi Govt. Girl's High School (1934), Balapur Nabin Chandra High School (1905), and Sir K.G Gupta High School (1919).