Clarissa is a city in Todd County, Minnesota, United States.

[6] According to the United States Census Bureau, the city has a total area of 1.00 square mile (2.59 km2), all land.

There were 323 housing units at an average density of 323.0 per square mile (124.7/km2).

The racial makeup of the city was 98.2% White, 0.4% African American, 0.1% Asian, and 1.2% from two or more races.

42.6% of all households were made up of individuals, and 22.6% had someone living alone who was 65 years of age or older.

40.6% of all households were made up of individuals, and 27.3% had someone living alone who was 65 years of age or older.