According to the
2001 census, Bachhrawan had a population of 11,879. Males constitute 52% of the population and females 48%. Bachhrawan has an average literacy rate of 67%, higher than the national average of 59.5%; with 57% of the males and 43% of females literate. 15% of the population is under 6 years of age. According to the
2011 census, Bachhrawan has a population of 12,521 people, in 2,359 households. The town's
sex ratio is 934 females to every 1000 males; 6,474 of Bachhrawan's residents are male (51.7%) and 6,047 are female (48.3%). The 0-6 age group makes up about 11.5% of the town's population; the sex ratio for this group is 889, which is the second lowest among towns in the district. Members of
Scheduled Castes make up 24.77% of the town's population, while no members of
Scheduled Tribes were recorded. The town's
literacy rate was 82.2% (counting only people age 7 and up); literacy was higher among men and boys (88.2%) than among women and girls (75.8%). The scheduled castes literacy rate is 66.2% (75.07% among men and boys, and 56.98% among women and girls). In terms of employment, 23.99% of Bachhrawan residents were classified as main workers (i.e. people employed for at least 6 months per year) in 2011. Marginal workers (i.e. people employed for less than 6 months per year) made up 9.02%, and the remaining 66.98% were non-workers. Employment status varied significantly according to gender, with 51.52% of men being either main or marginal workers, compared to only 13.31% of women. 41.10% of Bachhrawan residents live in
slum conditions as of 2011. There are 7 slum areas in Bachhrawan, listed from smallest to largest: Hanumanan Tola, Durgan Tola Chamrahia, Uttar Chamratiya, Baagh Tola, Dakshin Chamratiya, Kooti Mohalla, and Qila Mohalla. These range in size from 29 to 241 households and have populations ranging from 149 in Hanumanan Tola to 1,278 in Qila Mohalla. None have access to
tap water. The number of
flush toilets installed in people's homes ranges from 0 in Durgan Tola Chamrahia to 137 in Kooti Mohalla. All 7 areas are serviced by a mix of
open and closed sewers. ==Commerce==