Name | Location | Operator | Herd size |
American Prairie | Montana | American Prairie Foundation | 800+ |
Antelope Island State Park[3] | Utah | Utah State Parks | 200 |
Badlands National Park [3] | South Dakota | National Park Service | 1000 |
Banff National Park[3] | Alberta | Parks Canada | 36 |
Battelle Darby Creek Metro Park | Ohio | Columbus and Franklin County Metro Parks | 10 |
Bear Butte State Park | South Dakota | South Dakota Department of Game, Fish, and Parks | small |
Bear River State Park[3] | Wyoming | Wyoming Division of State Parks and Historic Sites | 10 |
Blue Mounds State Park[3] | Minnesota | Minnesota Department of Natural Resources | 100 |
Broken Kettle Grasslands Preserve | Iowa | The Nature Conservancy | 200 |
Buffalo Pound Provincial Park[3] | Saskatchewan | Saskatchewan Environment, Parks Branch | |
Camp Pendleton bison herd | California | USMC (Camp Pendleton Game Warden's Office) | 90 |
Camp Wainwright[3] | Alberta | Department of National Defence (Canada) | |
Caprock Canyons State Park[3] | Texas | Texas Parks and Wildlife Department | 150 |
Catalina Island bison herd[3] | California | Catalina Island Conservancy | 100 |
Chickasaw National Recreation Area | Oklahoma | National Park Service | 3 |
Clymer Meadow Preserve[3] | Texas | The Nature Conservancy | |
Chief Mountain Wilderness Unit[4] | Montana | Blackfeet Nation | 25 |
Chippewa Cree Tribal Buffalo Pasture | Montana | Chippewa Cree | 11 |
Chitina herd[3] | Alaska | Alaska Department of Fish and Game | |
Copper River herd[3] | Alaska | Alaska Department of Fish and Game | |
Crane Trust | Nebraska | Crane Trust | 50+ |
Cross Ranch Nature Preserve[3] | North Dakota | The Nature Conservancy | 200 |
CSKT Bison Range | Montana | Confederated Salish and Kootenai Tribes | 500 |
Custer State Park[3] | South Dakota | South Dakota Department of Game, Fish, and Parks | 1500 |
Daniels Park[3] | Colorado | Denver Parks and Recreation | 30 |
Delta Junction herd[3] | Alaska | Alaska Department of Fish and Game | |
Elk Island National Park[3] | Alberta | Parks Canada | 315 |
Farewell Lake herd[3] | Alaska | Alaska Department of Fish and Game | |
Fermilab bison herd[3] | Illinois | U.S. Department of Energy | 28 |
Finney Game Refuge[3] | Kansas | Kansas Department of Wildlife and Parks | |
Fort Niobrara National Wildlife Refuge[3] | Nebraska | U.S. Fish and Wildlife Service | 350 |
Fort Peck Indian Reservation | Montana | Assiniboine and Sioux Tribes | 400 |
Fort Robinson State Park[3] | Nebraska | Nebraska Game and Parks Commission | 150 |
Fort Worth Nature Center and Refuge | Texas | Fort Worth, Texas | 18 |
Genesee Park[3] | Colorado | Denver Parks and Recreation | 33 |
Grand Teton National Park–National Elk Refuge bison herd[3] | Wyoming | National Park Service | 1000 |
Grasslands National Park | Saskatchewan | Parks Canada | 300 |
Hay-Zama Lakes Wildland Park | Alberta | Alberta Parks | 400 |
Henry Mountains bison herd[3] | Utah | Utah Division of Wildlife Resources, Bureau of Land Management | 400 |
Hot Springs State Park[3] | Wyoming | Wyoming Division of State Parks and Historic Sites | 15 |
House Rock State Wildlife Area[3] | Arizona | Arizona Game and Fish Department | |
Innoko National Wildlife Refuge | Alaska | U.S. Fish and Wildlife Service | 94 |
Janos Biosphere Reserve | Chihuahua | Secretariat of Environment and Natural Resources | 138 |
Kankakee Sands | Indiana | The Nature Conservancy | 90+ |
Konza Prairie Biological Station[3] | Kansas | The Nature Conservancy, Kansas State University | 300 |
Land Between the Lakes National Recreation Area[3] | Kentucky | U.S. Forest Service | 50 |
Maderas del Carmen | Coahuila | Secretariat of Environment and Natural Resources | 19 |
Maxwell Wildlife Refuge | Kansas | Kansas Department of Wildlife and Parks | 150 |
Medano–Zapata Ranch | Colorado | The Nature Conservancy | |
Midewin National Tallgrass Prairie | Illinois | U.S. Forest Service | 50 |
Minneopa State Park | Minnesota | Minnesota Department of Natural Resources | 30 |
Nachusa Grasslands | Illinois | The Nature Conservancy | 130 |
Niobrara Valley Preserve | Nebraska | The Nature Conservancy | |
Neal Smith National Wildlife Refuge[3] | Iowa | U.S. Fish and Wildlife Service | 50 |
Old Man on His Back Prairie and Heritage Conservation Area | Saskatchewan | Nature Conservancy of Canada | 115 |
Ordway Prairie Preserve | South Dakota | The Nature Conservancy | |
Paynes Prairie Preserve State Park | Florida | Florida Department of Environmental Protection | 50-70 |
Pink Mountain[3] | British Columbia | British Columbia Department of Water, Lands and Air Protection | |
Prairie State Park[3] | Missouri | Missouri Department of Natural Resources | 100 |
Primrose Lake Air Weapons Range[3] | Alberta–Saskatchewan | CFB Cold Lake, Department of National Defence (Canada) | |
Prince Albert National Park[3] | Saskatchewan | Parks Canada | 400 |
Raymond State Wildlife Area[3] | Arizona | Arizona Game and Fish Department | |
Riding Mountain National Park[3] | Manitoba | Parks Canada | 40 |
Rocky Mountain Arsenal National Wildlife Refuge | Colorado | U.S. Fish and Wildlife Service | 150 |
Sandhill Wildlife Area[3] | Wisconsin | Wisconsin Department of Natural Resources | 15 |
Sandsage Bison Range & Wildlife Area | Kansas | Kansas Department of Wildlife and Parks | 51 |
Smoky Valley Ranch | Kansas | The Nature Conservancy | |
Soapstone Prairie/Red Mountain | Colorado | Fort Collins, Colorado and Larimer County | 100 |
Spring Lake Park Reserve | Minnesota | Dakota County Parks | 12 |
Tallgrass Prairie National Preserve | Kansas | The Nature Conservancy, National Park Service | 90 |
Tallgrass Prairie Preserve[3] | Oklahoma | The Nature Conservancy | 2500 |
Theodore Roosevelt National Park[3] | North Dakota | National Park Service | 800 |
Trexler Nature Preserve | Pennsylvania | Lehigh County | 14 |
Vermejo Park Ranch | New Mexico and Colorado | Ted Turner | 1200 |
Wanuskewin Heritage Park | Saskatchewan | Wanuskewin Heritage Park Authority | 12 |
Waterton Lakes National Park[3] | Alberta | Parks Canada | 6 |
White Horse Hill National Game Preserve[3] | North Dakota | U.S. Fish and Wildlife Service | 20 |
Wichita Mountains Wildlife Refuge[3] | Oklahoma | U.S. Fish and Wildlife Service | 650 |
Wildcat Hills State Recreation Area[3] | Nebraska | Nebraska Game and Parks Commission | |
Wind Cave National Park | South Dakota | National Park Service | 400 |
Wolakota Buffalo Range | South Dakota | Rosebud Economic Development Corporation | 100 |
Wood Buffalo National Park | Alberta and Northwest Territories | Parks Canada | 3000 |
Yellowstone National Park | Idaho, Montana, Wyoming | National Park Service | 4800 |
Commercial herds are not included. Listed herds remove excess bison on a regular basis which may be slaughtered for commercial purposes. |