Analyzing County Population
New Census data on 2009 estimates for counties in Pennsylvania and the U.S. is now available. Here’s what it shows for Allegheny County-population as of July 1, 2009 stands at 1,218,492. That’s down 5% over the decade from the July 1, 2000 figure of 1,279,929, a drop of just about 61,500 persons.
If the estimates data holds the 2008-2009 change represents the first net increase of population change in the County this decade. The 2008 population was 1,218,227 so the 2009 total would represent a small positive uptick of 267 people. Certainly a far cry from year over year losses earlier in the decade, some of which were quite significant (losses in the 2003 to 2005 period were reported at over 10k each year).
As a percentage of the seven county metropolitan area population (Allegheny along with Armstrong, Beaver, Butler, Fayette, Washington, and Westmoreland) Allegheny County fell slightly from representing 52.6% in 2000 to 51.7% in 2009.