Ostrander (/oʊstˈrændɜːr/ ohst-RAND-ər) is a city in Fillmore County, Minnesota, United States.

[6] The city was named after William and Charles Ostrander [7] According to the United States Census Bureau, the city has a total area of 0.48 square miles (1.24 km2), all land.

There were 117 housing units at an average density of 243.8 per square mile (94.1/km2).

41.4% of all households were made up of individuals, and 15.3% had someone living alone who was 65 years of age or older.

32.0% of all households were made up of individuals, and 26.0% had someone living alone who was 65 years of age or older.

None of the families and 5.0% of the population were living below the poverty line, including no under eighteens and 14.7% of those over 64.