Bouton is a city in Dallas County, Iowa, United States.

According to the United States Census Bureau, the city has a total area of 0.14 square miles (0.36 km2), all land.

There were 61 housing units at an average density of 567.5 per square mile (219.1/km2).

The racial makeup of the city was 98.4% White, 0.8% Native American, and 0.8% from two or more races.

29.8% of all households were made up of individuals, and 8.8% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 94.85% White, 0.74% African American, 0.74% Asian, and 3.68% from two or more races.

27.1% of all households were made up of individuals, and 8.5% had someone living alone who was 65 years of age or older.

There were no families and 6.7% of the population living below the poverty line, including no under eighteens and 15.0% of those over 64.