Cromwell is a town in Sparta Township, Noble County, in the U.S. state of Indiana.

[6] According to the 2010 census, Cromwell has a total area of 0.3 square miles (0.78 km2), all land.

[7] As of the census[9] of 2010, there were 512 people, 183 households, and 126 families living in the town.

There were 222 housing units at an average density of 740.0 per square mile (285.7/km2).

25.7% of all households were made up of individuals, and 7.7% had someone living alone who was 65 years of age or older.

As of the census[3] of 2000, there were 452 people, 180 households, and 120 families living in the town.

28.3% of all households were made up of individuals, and 12.2% had someone living alone who was 65 years of age or older.