Kumar Bajitpur is a village located in the Vaishali district of Bihar, East India.

As per 2011 census Kumar Bajitpur city has a population of 15,540, out of which males were 7,845 and females were 7,695.

The literacy rate was 79.26 per cent, higher than the national average of 74.04%: male literacy is 84.78%, and female literacy is 72.93%.

In Kumar Bajitpur, 16% of the population is under 6 years of age..

The sex ratio of 873 females per 1,000 males was lower than the national average of 944.