Volga is a city in Clayton County, Iowa, United States.

According to the United States Census Bureau, the city has a total area of 0.78 square miles (2.02 km2), all land.

There were 105 housing units at an average density of 139.6 per square mile (53.9/km2).

Hispanic or Latino persons of any race comprised 1.0% of the population.

There were 107 housing units at an average density of 137.2 per square mile (53.0/km2).

28.9% of all households were made up of individuals, and 13.3% had someone living alone who was 65 years of age or older.

There were 114 housing units at an average density of 144.9 per square mile (55.9/km2).

33.0% of all households were made up of individuals, and 15.5% had someone living alone who was 65 years of age or older.

About 13.7% of families and 18.1% of the population were below the poverty line, including 17.1% of those under the age of eighteen and 29.8% of those 65 or over.