According to 2011 census, Narasingapuram had a population of 23,084 with a sex-ratio of 1,003 females for every 1,000 males, much above the national average of 929. A total of 2,230 were under the age of six, constituting 1,122 males and 1,108 females.
The 2011 census data for Narasingapuram showed a high female-to-male ratio (1,003:1,000) compared to the national average of 929.  A significant portion of the population under six years old was observed in Narasingapuram.