Royal is a city in Clay County, Iowa, United States.

[2] According to the United States Census Bureau, the city has a total area of 0.30 square miles (0.78 km2), all land.

There were 202 housing units at an average density of 684.6 per square mile (264.3/km2).

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

There were 202 housing units at an average density of 673.3 per square mile (260.0/km2).

29.3% of all households were made up of individuals, and 12.6% had someone living alone who was 65 years of age or older.

There were 219 housing units at an average density of 747.2 per square mile (288.5/km2).

28.4% of all households were made up of individuals, and 14.4% had someone living alone who was 65 years of age or older.