Risco is a city in New Madrid County, Missouri, United States.

[6] According to the United States Census Bureau, the city has a total area of 0.56 square miles (1.45 km2), all land.

The racial makeup of the city was 96.53% White, 1.16% Black or African American, and 2.31% from two or more races.

30.9% of all households were made up of individuals, and 13.4% had someone living alone who was 65 years of age or older.

There were 177 housing units at an average density of 370.9 per square mile (143.2/km2).

The racial makeup of the city was 99.59% White, 0.16% African American, and 0.26% from two or more races.

26.7% of all households were made up of individuals, and 13.3% had someone living alone who was 65 years of age or older.