Bainbridge is a town in Monroe Township, Putnam County, in the U.S. state of Indiana.

[3] This town was named after the prominent war hero of the time, William Bainbridge.

[6] The nearby National Natural Landmark of Big Walnut Creek was designated in 1985.

[7] According to the 2010 census, Bainbridge has a total area of 0.4 square miles (1.04 km2), all land.

26.6% of all households were made up of individuals, and 11.1% had someone living alone who was 65 years of age or older.

20.4% of all households were made up of individuals, and 8.1% had someone living alone who was 65 years of age or older.