WordNet (r) 3.0 (2006):
unpopulated adj 1: with no people living there; "vast unpopulated plains" [syn: unpeopled, unpopulated]Moby Thesaurus II by Grady Ward, 1.0:
18 Moby Thesaurus words for "unpopulated": abandoned, available, deserted, forsaken, free, godforsaken, open, tenantless, unfilled, uninhabited, unmanned, unoccupied, unpeopled, unstaffed, untaken, untenanted, untended, vacant