The following article outlines federal land data for all 50 states. An overview of federal land policy and how federal land is managed can be accessed here.
The federal government owns around 640 million acres of land (about 28 percent) of the 2.27 billion acres of land in the United States. Around 92 percent of federally owned acres are in 12 Western states.
Four federal agencies—the U.S. National Park Service (NPS), U.S. Fish and Wildlife Service (FWS), and U.S. Bureau of Land Management (BLM) within the U.S. Department of the Interior, and the U.S. Forest Service (USFS) in the U.S. Department of Agriculture—oversee roughly 95 percent, or 608 to 610 million acres, of federal land.
Connecticut and Iowa tied for the lowest percentage of federal land at 0.3 percent each.
The federal government owned around 23.5 million fewer acres in 2013 than in 1990, a 3.8 percent decrease.
The table below summarizes the total acres and percentage of federal land in each state as of 2013 (the most recent year for which data is available).
Alaska had the most federal land (223.8 million acres) while Nevada had the greatest percentage of federal land within a state (84.9 percent). In contrast, Rhode Island and Connecticut had the fewest acres of federal land: 5,157 acres and 8,752 acres, respectively. Connecticut and Iowa tied for the lowest percentage of federal land at 0.3 percent each.