the country's median age is in the mid-30s 37.2 years in 2010 2010 Census Shows Nation’s Population is Aging slightly tilted in favor of men 2010 Census Shows Nation’s Population is Aging 2010 Census Shows Nation’s Population is Aging 2010 Census Shows Nation’s Population is Aging 2010 Census Shows Nation’s Population is Aging 2010 Census Shows Nation’s Population is Aging is rising