Fillmore is a town in Marion Township, Putnam County, in the U.S. state of Indiana.

[4] A post office was established under this name in 1849, and was renamed to Fillmore in 1861, where it is still currently operating.

[5] According to the 2010 census, Fillmore has a total area of 1.95 square miles (5.05 km2), all land.

As of the census[8] of 2010, there were 533 people, 194 households, and 142 families living in the town.

22.2% of all households were made up of individuals, and 7.7% had someone living alone who was 65 years of age or older.

18.4% of all households were made up of individuals, and 11.2% had someone living alone who was 65 years of age or older.