Jalpapur was a former village development committee in Sunsari District in the Kosi Zone of south-eastern Nepal.It is bounded by satterjhora in the east, Gautampur in the south and Ramnagar in southwest and Babiya in the North Respectively. At the time of the 1991 Nepal census it had a population of 4256 people living in 663 individual households. Currently, it is merged with District Headquarter Inaruwa municipality as a ward no.10 lies in southern part of Inaruwa Municipality.

Jalpapur is linked with Inaruwa-Kaptanganj Highway.