Oshkosh is a city in Winnebago County, Wisconsin, United States, located where the Fox River enters Lake Winnebago from the west. The population was 66,083 at the 2010 census. The city is located adjacent to the Town of Oshkosh.
Oshkosh is located at 44°1′29″N 88°33′4″W / 44.02472°N 88.55111°W / 44.02472; -88.55111 (44.024983, -88.551336).
According to the United States Census Bureau, the city has a total area of 26.61 square miles (68.92 km2), of which, 25.59 square miles (66.28 km2) is land and 1.02 square miles (2.64 km2) is water....
Source: Wikipedia (as of 04/11/2019). Read more from Wikipedia