Owosso is a city in Shiawassee County in the U.S. state of Michigan. The population was 15,194 at the 2010 census. The city is located on the eastern side of Owosso Township, but is politically independent. The city was named after Chief Wasso, an Ojibwa leader of the Shiawassee area.
According to the United States Census Bureau, the city has a total area of 5.37 square miles (13.91 km2), of which 5.23 square miles (13.55 km2) is land and 0.14 square miles (0.36 km2) is water. (Source, Wikipedia)