Henderson is a city in Mills County, Iowa, United States.

[5] According to the United States Census Bureau, the city has a total area of 0.21 square miles (0.54 km2), all land.

There were 69 housing units at an average density of 520.1 per square mile (200.8/km2).

Hispanic or Latino persons of any race comprised 1.4% of the population.

27.3% of all households were made up of individuals, 16.7% had someone living alone who was 65 years old or older.

There were 82 housing units at an average density of 390.5 per square mile (150.8/km2).

28.4% of all households were made up of individuals, and 10.8% had someone living alone who was 65 years of age or older.

31.1% of all households were made up of individuals, and 18.9% had someone living alone who was 65 years of age or older.

None of the families and 1.9% of the population were living below the poverty line, including no under eighteens and 6.1% of those over 64.