Mondamin is a city in Harrison County, Iowa, United States.

[4] It was named after Mondamin, a Native American corn deity.

[5] According to the United States Census Bureau, the city has a total area of 0.45 square miles (1.17 km2), all of it land.

There were 192 housing units at an average density of 424.5 per square mile (163.9/km2).

There were 194 housing units at an average density of 431.1 per square mile (166.4/km2).

26.3% of all households were made up of individuals, and 15.5% had someone living alone who was 65 years of age or older.

There were 191 housing units at an average density of 413.1 per square mile (159.5/km2).

The racial makeup of the city was 98.35% White, 0.24% Native American, and 1.42% from two or more races.

26.3% of all households were made up of individuals, and 12.6% had someone living alone who was 65 years of age or older.