- Northwest Region
: "This article is about the region in Pennsylvania. For the area of the United States of America, see
Pacific Northwest ."The Northwest Region is an area of
Pennsylvania containing Butler, Clarion, Crawford, Erie, Forest, Lawrence, Mercer, Venango, and Warren counties. The population of the region is 908,367. Population growth is stable with increases in Butler, Clarion, Crawford, Erie, and Forest counties, but decreases in Lawrence, Mercer, and Venango counties.It is also noted for
Allegheny National Forest .External links
* [http://www.visitpa.com Pennsylvania Tourist Site]
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