Butler is a city in DeKalb County, Indiana, United States.

[6] On July 23, 1966, Butler was one of the end points of a record-setting speed run by a New York Central RDC-3, M-497 Black Beetle, modified with a pair of jet engines, as the rail line between it and Stryker, Ohio, was both straight and flat.

[7] According to the 2010 census, Butler has a total area of 2.09 square miles (5.41 km2), all land.

There were 1,089 housing units at an average density of 521.1 per square mile (201.2/km2).

24.4% of all households were made up of individuals, and 7.8% had someone living alone who was 65 years of age or older.

23.6% of all households were made up of individuals, and 8.1% had someone living alone who was 65 years of age or older.

The city council consists of five members, four of whom are elected from Butler's four individual districts.

The city council is responsible for hearing and passing ordinances that become law; town meetings occur on the first and third Monday of each month at 7 PM.

[12] The library completed an expansion and renovation project in August 2009, nearly doubling its size.