James Weber Linn (1876–1939), educator and politician, was born in Winnebago.

[4] According to the 2010 census, Winnebago has a total area of 1.95 square miles (5.05 km2), all land.

[5] As of the census[7] of 2000, there were 3,000 people, 1,009 households, and 841 families residing in the village.

There were 1,023 housing units at an average density of 735.0 per square mile (283.8/km2).

14.1% of all households were made up of individuals, and 7.2% had someone living alone who was 65 years of age or older.