Forest cover by state and territory in the United States

In the United States, the forest cover by state and territory is estimated from tree-attributes using the basic statistics reported by the Forest Inventory and Analysis (FIA) program of the Forest Service.[2] Tree volumes and weights are not directly measured in the field, but computed from other variables that can be measured.[3][4]

Map of wood-filled areas in the United States, circa 2000[1]

This is only the total amount of timberland. Actual forest cover for each state may be significantly higher.[5][1]

List by state, district, or territory
Rank State, district
or territory		 Percent
forest
(2016)[2]
[note 1]
1 Maine89.46%
2 New Hampshire84.32%
3 American Samoa80.84%
4 Northern Mariana Islands80.37%
5 West Virginia79.01%
6 Vermont77.811%
7 Alabama70.57%
8 South Carolina68.19%
9 Georgia67.28%
10 Mississippi65.07%
11 Virginia62.93%
12 New York62.88%
13 Massachusetts60.57%
14 North Carolina59.73%
15 Pennsylvania58.60%
16United States Virgin Islands Virgin Islands (U.S.)57.16%
17 Arkansas56.31%
18 Puerto Rico55.62%
19 Michigan55.62%
20 Connecticut55.24%
21 Rhode Island54.38%
22 Louisiana53.20%
23 Tennessee52.83%
24 Guam52.82%
25 Washington52.74%
26 Florida50.68%
27 Kentucky49.35%
28 Wisconsin48.98%
29 Oregon48.51%
30 Hawaii42.53%
31 New Jersey41.72%
32 Idaho40.55%
33 Maryland39.36%
34 Texas37.33%
35 Missouri35.16%
36 Alaska35.16%
37 Utah34.48%
38 Colorado34.42%
39 Minnesota34.08%
40 District of Columbia33.90%[6]
41 California32.71%
42 New Mexico31.99%
43 Ohio30.92%
44 Oklahoma28.80%
45 Montana27.45%
46 Delaware27.26%
47 Arizona25.64%
48 Indiana21.06%
49 Wyoming18.42%
50 Nevada15.89%
51 Illinois13.64%
52 Iowa8.43%
53 Kansas4.78%
54 South Dakota3.93%
55 Nebraska3.20%
56 North Dakota1.72%
—United States U.S. Minor Outlying Islands
[note 2]		No data

List by region
Rank Region Percent
forest
(2016)[2]
1U.S. territories [note 3]56.74%
2Southern region [note 4]50.13%
3Pacific Northwest region [note 5]37.52%
4Northern region [note 6]30.04%
5Interior West region [note 7]28.14%
—Total36.21%

See also

References
  1. "Forest Inventory and Analysis National Program - FIA Library". www.fia.fs.fed.us. Retrieved 21 April 2018.
  2. "Forest Inventory and Analysis Fiscal Year 2016 Business Report" (PDF). United States Department of Agriculture. Retrieved 25 July 2022.
  3. "FIA Volume Calculations" (PDF). fs.fed.us. Retrieved 21 April 2018.
  4. Bechtold, William A.; Patterson, Paul L. (2005). Bechtold, William A; Patterson, Paul L (eds.). "The enhanced forest inventory and analysis program - national sampling design and estimation procedures". Gen. Tech. Rep. SRS-80. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. 85 p. doi:10.2737/SRS-GTR-80. hdl:2027/umn.31951d02988399b. Retrieved 25 July 2022.
  5. "United States Map: Percent of Area with Forest, 2002 | The Federal Reserve Bank of Minneapolis". fedgazette. Archived from the original on January 7, 2009.
  6. Nowak, David J.; Greenfield, Eric J. (1 May 2018). "Declining urban and community tree cover in the United States". Urban Forestry & Urban Greening. 32: 32–55. doi:10.1016/j.ufug.2018.03.006. ISSN 1618-8667. Retrieved 25 July 2022.
  7. "Study shows 5,000 percent increase in native trees on rat-free Palmyra Atoll". phys.org. Retrieved 25 July 2022.

Notes
  1. The forest percent is the percent of land that is forested (excluding bodies of water). Data for Puerto Rico, the Virgin Islands, and Guam is from 2013. Data for the Northern Mariana Islands is from 2015. Data for American Samoa is from 2012. Data for the national capital of Washington, D.C. is from 2018.
  2. There is a forest on Palmyra Atoll,[7] but there is no information about what percentage of land the forest covers.
  3. The U.S. territories are American Samoa, Guam, Northern Mariana Islands, Puerto Rico and U.S. Virgin Islands. The U.S. Minor Outlying Islands are not counted.
  4. The FIA defines the Southern region of the U.S. as Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, and Virginia.
  5. The FIA defines the Pacific Northwest region as Alaska, California, Hawaii, Oregon, and Washington.
  6. The FIA defines the Northern region of the U.S. as Connecticut, Delaware, Illinois, Indiana, Iowa, Kansas, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Dakota, Ohio, Pennsylvania, Rhode Island, South Dakota, Vermont, West Virginia and Wisconsin. The District of Columbia is not counted.
  7. The FIA defines the Interior West region of the U.S. as Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah, and Wyoming.

Further reading
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