Ackworth is a city in Warren County, Iowa, United States.

[6] According to the United States Census Bureau, the city has a total area of 0.29 square miles (0.75 km2), all of it land.

There were 45 housing units at an average density of 81.8 per square mile (31.6/km2).

Hispanic or Latino persons of any race comprised 2.6% of the population.

There were 38 housing units at an average density of 131.0 per square mile (50.6/km2).

21.2% of all households were made up of individuals, and 9.1% had someone living alone who was 65 years of age or older.

There were 32 housing units at an average density of 107.2 per square mile (41.4/km2).

9.7% of all households were made up of individuals, and 3.2% had someone living alone who was 65 years of age or older.

There were 10.3% of families and 6.5% of the population living below the poverty line, including 13.3% of under eighteens and none of those over 64.