[5] According to the 2010 census, Glenwood has a total area of 0.18 square miles (0.47 km2), all land.

[6] As of the census[8] of 2010, there were 250 people, 109 households, and 71 families living in the town.

There were 130 housing units at an average density of 722.2 per square mile (278.8/km2).

30.3% of all households were made up of individuals, and 15.6% had someone living alone who was 65 years of age or older.

There were 137 housing units at an average density of 792.7 per square mile (306.1/km2).

27.4% of all households were made up of individuals, and 14.5% had someone living alone who was 65 years of age or older.