Kellerton is a city in eastern Ringgold County, Iowa, United States.

There were 134 housing units at an average density of 207.6 per square mile (80.1/km2).

Hispanic or Latino persons of any race comprised 2.9% of the population.

There were 161 housing units at an average density of 243.9 per square mile (94.2/km2).

22.2% of all households were made up of individuals, and 11.9% had someone living alone who was 65 years of age or older.

There were 169 housing units at an average density of 254.1 per square mile (98.1/km2).

The racial makeup of the city was 98.92% White, 0.54% Native American, and 0.54% from two or more races.

30.9% of all households were made up of individuals, and 20.4% had someone living alone who was 65 years of age or older.