This report contains population figures by age in five-year cohorts and gender (and in some instances race) for Pennsylvania and its counties. Years included are 1990, 2000, 2005, 2010, 2015, and 2020. The report also contains methodology, maps, and an analysis.

The report is also available on CD/ROM. The CD contains the data and the background reports in PDF format and the individual data in Excel format.