Rajpur is a village and corresponding community development block in Rohtas district of Bihar, India.

[2] In 2011, the sex ratio of Rajpur block was 915 females to every 1000 males, slightly below the district average of 921.

[2] Members of scheduled castes numbered 12,964 in 2011, representing 17.24% of the block's total population; slightly below the Rohtas district average of 18.57%.

[2] The literacy rate of Rajpur block was 75.99% in 2011, slightly higher than the Rohtas district average of 73.37%.

Literacy was higher in men (85.89%) than in women (65.16%); the corresponding gender gap of 20.73% was roughly average among Rohtas sub-districts.

Rajpur block had the highest literacy rate among scheduled caste members, with 64.4% compared to the district average of 60.3%.