Jaramai, Sultanganj

As of 2011, Jaramai had a population of 2,579, in 439 households.^[1]: 160 This population was 54.7% male (1,412) and 45.3% female (1,167). The 0-6 age group numbered 472 (254 male and 218 female), or 18.3% of the total population. 1,605 residents were members of Scheduled Castes, or 62.2% of the total.^{[2]: 124–5}

The 1981 census recorded Jaramai as having a population of 1,379 people, in 267 households.^{[3]: 164–5}

The 1961 census recorded Jaramai as comprising 4 hamlets, with a total population of 1,039 people (543 male and 496 female), in 187 households and 140 physical houses. The area of the village was given as 629 acres.^[4]: xcii

As of 2011, Jaramai had 1 primary school; it did not have any healthcare facilities. Drinking water was provided by hand pump; there were no public toilets. The village had a post office but no public library; there was at least some access to electricity for residential and agricultural purposes. Streets were made of kachcha materials.^{[1]: 160–5}