![](https://www.pdfsearch.io/img/66b05966db323c8cbf265ce654a95f46.jpg) Date: 2014-12-11 15:27:16
| | Population By Age Area Pennsylvania 10-County Region Allegheny County Armstrong CountyAdd to Reading ListSource URL: www.pittsburghregion.orgDownload Document from Source Website File Size: 48,42 KBShare Document on Facebook
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