Bustillo del Páramo is a municipality in the province of León, within the autonomous community of Castile and León, Spain. It lies in the northwestern part of the country, in a region historically associated with the flat, open terrain known as the páramo, from which the settlement takes part of its name.
According to the 2010 census conducted by the Instituto Nacional de Estadística (INE), the municipality had a population of 1,484 inhabitants. As a municipality, it serves as the basic administrative unit of local government in Spain, encompassing the settlement itself and its surrounding area.
The town is one of many small municipalities that make up the province of León, a province characterised by a large number of sparsely populated rural communities. Its population figure places it among the smaller municipalities in the region, reflecting the broader demographic pattern of rural Castile and León.