any area or community, respectively, located in a State that has population density of less than 30 persons per square mile (as reported in the most recent decennial census), and of which at least 1.25 percent of the total acreage of such State is under Federal jurisdiction, provided that no metropolitan city (as such term is defined in
section 5302 of this title) in such State is the sole beneficiary of the grant amounts awarded under this section.