[3] Eyota is derived from the Sioux Indian word iyotak, meaning "greatest" or "most".

[4] According to the United States Census Bureau, the township has a total area of 34.2 square miles (89 km2), all land.

There were 171 housing units at an average density of 5.0 per square mile (1.9/km2).

17.0% of all households were made up of individuals, and 6.7% had someone living alone who was 65 years of age or older.

None of the families and 0.8% of the population were living below the poverty line, including no under eighteens and none of those over 64.