Winthrop is a city in Sibley County, Minnesota, United States.

[6] According to the United States Census Bureau, the city has a total area of 1.06 square miles (2.75 km2), all land.

[8] Minnesota State Highways 15 and 19 are two of the main routes in the city.

There were 640 housing units at an average density of 603.8 per square mile (233.1/km2).

33.8% of all households were made up of individuals, and 18.8% had someone living alone who was 65 years of age or older.

There were 632 housing units at an average density of 602.8 per square mile (232.7/km2).

38.7% of all households were made up of individuals, and 21.5% had someone living alone who was 65 years of age or older.