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.
Madison is located in the center of Dane County in south-central Wisconsin, 77 miles (124 km) west of Milwaukee and 122 miles (196 km) northwest of Chicago. The city completely surrounds the smaller Town of Madison, the City of Monona, and the villages of Maple Bluff and Shorewood Hills.hen Wisconsin became a state in 1848, Madison remained the capital, and the following year it became the site of the University of Wisconsin (now University of WisconsinâMadison). The Milwaukee & Mississippi Railroad (a predecessor of the Milwaukee Road) connected to Madison in 1854.