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Northern Research Station
One Gifford Pinchot Drive
Madison, WI 53726
(608) 231-9318
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Proportion of Land that is Forested, 2002



This map shows the spatial distribution of forest land in 2002 as a percentage of county land area. In this region, 28 percent (nearly 175 million acres) of all land is classed as forest land.


Use this map only to identify broad spatial trends. At the time of assessment, data were not available for interior Alaska, the Pacific Basin, Puerto Rico, U.S. Virgin Islands, and a small number of counties in the lower 48 states


USDA Forest Service, 2002 RPA data, available at:


USDA Forest Service, Forest Inventory and Analysis.


USDA Forest Service, 2002 RPA data and the National Atlas of the United States.


Forest land is defined as land at least 10 percent stocked by forest trees of any size, or formerly having such tree cover, and not currently developed for non-forest uses, with a minimum area classification of 1 acre.






Last Modified: 03/29/2007