The 2011 Census of India recorded it as having a population of 2264 of which 1164 were male and 1100 were female.

The total geographical area of the village is 162.82 hectares (402.3 acres) .

As per 2019 stats, Pacheykhani villages comes under Rhenock assembly & Sikkim parliamentary constituency.

Rorathang is nearest town to Pacheykhani which is approximately 09 kilometres (5.6 mi) away.

This article related to a location in the Indian state of Sikkim is a stub.