Mashi, a Local Government Area situated in Katsina State, Nigeria, shares a border with the Republic of Niger. The administrative center is located in the town of Mashi. According to the 2006 census, the population was recorded at 171,070. However, projections for 2022 estimate the population to have grown to 305,700. The Local Government Area covers an area of 1,012 square kilometers, resulting in a population density of 302.1 inhabitants per square kilometer based on the 2022 estimates.The geographical coordinates for Mashi are 12°59′00″N 7°57′00″E.The designated postal code for the area is 823.