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is a village in Burnett County in the U.S. state of Wisconsin. The population was 1,369 at the 2000 census. The village is located within the Town of Grantsburg.
Grantsburg bills itself the "Gateway to Crex Meadows", the largest wildlife area in Wisconsin. Wisconsin Highway 48 and Wisconsin Highway 70 serve the community.
According to the United States Census Bureau, the village has a total area of 3.0 square miles (7.7 km²), of which, 3.0 square miles (7.7 km²) of it is land and 0.04 square miles (0.1 km²) of it (0.67%) is water.
Grantsburg is situated on the Wood River, which is dammed on the western edge of town to form a small body of water, called Memory Lake A playground and campsite have been built here. The Wood River continues west and south to the St. Croix.
The terrain is generally flat, and the land around Grantsburg is heavily wooded, though there is substantial farm acerage, especially to the east and south. To the north and west, the land is sandy and of marginal agricultural use. Crex Meadows, a large state wetland preserve, is also a few miles north of town.