There are some demographers who have carried on surveys and researches in order to know more about Harraiya. The Census report of India that has been brought out in the year 2001 is quite significant in this regard. As per this report, the total population of Harraiya has been counted to be 8333. Out of the total population, Males comprise of 52 percent, while the female population constitutes of 48 percent. In Harraiya, 17 percent of the population is below six years of age.
Literacy rate serves as added information about Harraiya. It is quite significant to note that the average literacy rate of Harraiya is 65 percent which is higher than the average national literacy rate . The average literacy rate of the nation is 59.5 percent. Out of it ,the literacy rate of female is 56 percent , while the male literacy rate is as high as 72 percent.