To break the numbers down, 96.5% of all the Earth's water is contained within the oceans as salt water, while the remaining 3.5% is freshwater lakes and frozen water locked up in glaciers and the polar ice caps. Of that fresh water, almost all of it takes the form of ice: 69% of it, to be exact.
Madison is a city in Lake County, South Dakota, United States. The population was 6,474 at the 2010 census. It is the county seat of Lake County and is home to Dakota State University. Madison is located at 44Â°0â²28â³N 97Â°6â²53â³W / 44.00778Â°N 97.11472Â°W / 44.00778; -97.11472 (44.007734, -97.114738). According to the United States Census Bureau, the city has a total area of 4.3 square miles (11.1 kmÂ²), all of it land.
The population was 3,636 at the 2000 census. The city is the county seat of Morgan County. Most of its nearly 100 Antebellum homes have been carefully restored, which led to Holiday Travel magazine's naming Madison The Prettiest Small Town in America. In 2001, Madison was voted the #1 Small Town in America by Travel Holiday Magazine.