A) Must have owned and occupied a primary residence in Allegheny County continuously for the past 10 years. This information about pension checks, benefit summaries and forms helps current and former Plan members manage their pension benefits.The Area Agency on Aging (AAA) assists Allegheny County residents, 60 years of age and older, to live safe, healthy and, when possible, independent lives. The Department of Aging administers all aging programs and services for older Pennsylvanians across the commonwealth. For calculating income, use only. Pennsylvania exempts all forms of retirement income from taxation for residents 60 and older. 'Seniors Blue Book is the ultimate senior living care directory - helping seniors find the perfect senior living and home health care.