Odon is a town in Madison Township, Daviess County, Indiana, United States.

There were 686 housing units at an average density of 722.1 per square mile (278.8/km2).

The racial makeup of the town was 98.3% White, 0.6% Native American, 0.3% Asian, and 0.8% from two or more races.

39.8% of all households were made up of individuals, and 23.1% had someone living alone who was 65 years of age or older.

There were 652 housing units at an average density of 691.0 per square mile (266.8/km2).

35.3% of all households were made up of individuals, and 19.3% had someone living alone who was 65 years of age or older.

Odon is served by the North Daviess Junior-Senior High School.