Largest lakes & reservoirs in USA by acres
This is a comparison for lakes within USA > - Compared by surface area in acres.Note: For some lakes, "Largest Lakes - Acres" data is unknown or does not apply, so this table may display fewer lakes than the total 1644 articles we have published for USA lakes.
Search results: Sort lakes by surface acreage
Lake name ![]() |
Surface area in acres ![]() |
Lake description |
---|---|---|
Lake Michigan-Huron (Canada, Chicagoland, Great Lakes, Illinois, Indiana, Lake Michigan Region, Michigan, Midwest, North, Northeast, Northwest, Ontario, Southwest, USA, Upper Peninsula, West Central, Wisconsin) |
29,062,400 ac | Lake Michigan and Lake Huron – two of North America’s Great Lakes – are contiguous and they share the same elevation of 577 feet above sea level. They… |
Lake Superior (Canada, Great Lakes, Lake Superior Northwoods Region, Michigan, Midwest, Minnesota, Northeast, Ontario, USA, Upper Peninsula, Wisconsin) |
20,288,000 ac | Skipping over state and country borders, Lake Superior, the largest, deepest, coldest, cleanest, least developed, and most pristine of the Great Lakes… |
Lake Huron (Canada, East Central, Great Lakes, Michigan, Midwest, Northeast, Ontario, USA, Upper Peninsula) |
14,726,400 ac | A glacial lake of epic proportions, Lake Huron is the second largest of the five Great Lakes by surface area, boasting 23,010 square miles and an incr… |
Lake Michigan (Chicagoland, Great Lakes, Illinois, Indiana, Lake Michigan Region, Michigan, Midwest, North, Northwest, Southwest, USA, Upper Peninsula, West Central, Wisconsin) |
14,336,000 ac | As the only Great Lake nestled completely within the boundaries of the United States, Lake Michigan is the pride and joy of Wisconsin, Illinois, India… |
Lake Erie (Canada, Chautauqua-Allegheny, Great Lakes, Greater Niagara, Michigan, Mid-Atlantic, Midwest, New York, Northeast, Northwest, Ohio, Ontario, Pennsylvania, Southeast, USA) |
6,261,500 ac | Lake Erie, one of the Great Lakes of North America, straddles the borders of Ohio, Pennsylvania, New York, Michigan, and the Canadian province of Onta… |
Lake Ontario (Canada, Finger Lakes, Great Lakes, Greater Niagara, Mid-Atlantic, New York, Ontario, Thousand Islands, USA) |
4,697,600 ac | Lake Ontario, one of the world’s five Great Lakes, weaves over state and country borders, delighting Americans, Canadians, and visiting tourists with… |
Great Salt Lake (Great Salt Lake Country, Ogden & Northwest, USA, Utah, West) |
1,088,000 ac | Also known as America's Dead Sea Sometimes called “America’s Dead Sea,” the Great Salt Lake occupies approximately 1,700 square miles of Utah’s real estate. It is the second largest l… |
Lake of the Woods MB (Canada, Manitoba, Midwest, Minnesota, Northwest, Ontario, USA) |
950,400 ac | Spanning the border from Minnesota into the Canadian provinces of Ontario and Manitoba, Lake of the Woods is an enormous body of water over 68 miles l… |
Iliamna Lake (Alaska, Southwest, USA, West) |
653,552 ac | Also known as Lake Iliamna Iliamna Lake, also known as Lake Iliamna, is the largest lake in Alaska and the second largest freshwater lake contained wholly within the United Stat… |
Lake Okeechobee (Florida, South, USA) |
451,000 ac | With over 451,000 blue, watery acres, Lake Okeechobee is a lake with many titles. It is, by surface acreage, the largest lake in Florida. It also hold… |
Lake Pontchartrain (Greater New Orleans, Louisiana, South, USA) |
403,200 ac | Lake Pontchartrain technically isn’t a lake at all. In scientific circles, it’s referred to as an estuary. That’s really just a fancy way to say that… |
Lake Sakakawea (Midwest, North Dakota, Northwest, USA) |
382,000 ac | The second-largest reservoir by surface acreage in the United States (and third-largest in volume), Lake Sakakawea stretches 178 miles from Garrison D… |