 In the 2011 Census, Beaver County had a population of 5,689 living in 2,109 of its 2,324 total dwellings, a 0.2% change from its 2006 population of 5,676.With a land area of , it had a population density of in 2011.In 2009, Beaver County had a population of 5,630 living in 2,291 dwellings.