Coin is a city in Page County, Iowa, United States.

Coin was platted in 1879, on the Chicago, Burlington and Quincy Railroad line.

According to the United States Census Bureau, the city has a total area of 0.80 square miles (2.07 km2), all land.

There were 91 housing units at an average density of 101.8 per square mile (39.3/km2).

There were 99 housing units at an average density of 123.8 per square mile (47.8/km2).

22.8% of all households were made up of individuals, and 8.8% had someone living alone who was 65 years of age or older.

There were 118 housing units at an average density of 147.2 per square mile (56.8/km2).

31.4% of all households were made up of individuals, and 15.7% had someone living alone who was 65 years of age or older.

About 3.1% of families and 7.5% of the population were below the poverty line, including 3.8% of those under the age of eighteen and 17.0% of those 65 or over.

City Council Members Christine Sheetz, Jim Clark, Jake Hill and Ruby Thomas.