Underwood is a city in McLean County, North Dakota, United States.

[3] Underwood was founded along a Soo Line Railroad line between Bismarck and Max in 1903 and named after Fred D. Underwood, vice president of the railroad at the time.

[6] According to the United States Census Bureau, the city has a total area of 0.91 square miles (2.36 km2), all land.

30.7% of all households were made up of individuals, and 12% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 96.80% White, 1.11% Native American, and 2.09% from two or more races.

27.6% of all households were made up of individuals, and 14.6% had someone living alone who was 65 years of age or older.

This climatic region is typified by large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters.