[8] According to the United States Census Bureau, the village has a total area of 0.30 square miles (0.78 km2), all land.

43.7% of all households were made up of individuals, and 21.2% had someone living alone who was 65 years of age or older.

There were 91 housing units at an average density of 294.5 per square mile (113.7/km2).

30.3% of all households were made up of individuals, and 23.7% had someone living alone who was 65 years of age or older.

About 6.8% of families and 9.3% of the population were below the poverty line, including 11.5% of those under the age of eighteen and 11.1% of those 65 or over.

Nemaha is in the Humboldt Table Rock Steinauer School District.

[13] On January 1, 2009, it merged into the Humboldt Table Rock Steinauer School District.