Alton is a town in Boone Township, Crawford County, Indiana, United States.

There were 55 housing units at an average density of 323.5 per square mile (124.9/km2).

20.0% of all households were made up of individuals, and 4% had someone living alone who was 65 years of age or older.

There were 65 housing units at an average density of 383.0 per square mile (147.9/km2).

29.2% of all households were made up of individuals, and 12.5% had someone living alone who was 65 years of age or older.

There were 7.7% of families and 9.3% of the population living below the poverty line, including 21.4% of under eighteens and none of those over 64.