[4] Nodaway was a shipping point on the Chicago, Burlington and Quincy Railroad.

[5] According to the United States Census Bureau, the city has a total area of 0.54 square miles (1.40 km2), all land.

[6] As of the census of 2020,[8] there were 74 people, 36 households, and 19 families residing in the city.

36.1% of all households were made up of individuals, 19.4% had someone living alone who was 65 years old or older.

At the 2010 census there were 114 people in 47 households, including 31 families, in the city.

As of the census[10] of 2000, there were 132 people in 58 households, including 38 families, in the city.

There were 8.9% of families and 11.6% of the population living below the poverty line, including 26.1% of under eighteens and 12.5% of those over 64.

[11] Residents are zoned to Southwest Valley High School, operated by the Corning Community School District, and shared with the Villisca district as part of a grade-sharing agreement.