Sloan is a city in Woodbury County, Iowa, United States.

It is part of the Sioux City, IA–NE–SD Metropolitan Statistical Area.

[2] Sloan was platted in 1870 by the president of the Sioux City & Pacific Railway.

[4] The Winnebago Tribe of Nebraska (Ho-Chunk) has the WinnaVegas Casino near Sloan.

[5] According to the United States Census Bureau, the city has a total area of 0.62 square miles (1.61 km2), all land.

There were 451 housing units at an average density of 779.7 per square mile (301.0/km2).

There were 447 housing units at an average density of 721.0 per square mile (278.4/km2).

31.8% of all households were made up of individuals, and 12.6% had someone living alone who was 65 years of age or older.

31.4% of all households were made up of individuals, and 17.1% had someone living alone who was 65 years of age or older.