Radcliffe is a city in Hardin County, Iowa, United States.

[3] It was named after the novel The Heir of Redclyffe by Charlotte Mary Yonge.

[5] According to the United States Census Bureau, the city has a total area of 1.00 square mile (2.59 km2), all land.

There were 271 housing units at an average density of 271.9 per square mile (105.0/km2).

Hispanic or Latino persons of any race comprised 4.1% of the population.

There were 281 housing units at an average density of 281.0 per square mile (108.5/km2).

32.5% of all households were made up of individuals, and 20.1% had someone living alone who was 65 years of age or older.

31.0% of all households were made up of individuals, and 19.0% had someone living alone who was 65 years of age or older.

None of the families and 1.1% of the population were living below the poverty line, including no under eighteens and none of those over 64.