Ethan is located at (43.545878, -97.983283).
Ethan has been assigned the ZIP code 57334.
There were 129 households out of which 38.8% had children under the age of 18 living with them, 59.7% were married couples living together, 9.3% had a female householder with no husband present, and 28.7% were non-families. 24.8% of all households were made up of individuals and 12.4% had someone living alone who was 65 years of age or older. The average household size was 2.56 and the average family size was 3.08.
In the town the population was spread out with 30.0% under the age of 18, 8.5% from 18 to 24, 29.1% from 25 to 44, 19.1% from 45 to 64, and 13.3% who were 65 years of age or older. The median age was 33 years. For every 100 females there were 89.7 males. For every 100 females age 18 and over, there were 86.3 males.
The median income for a household in the town was $37,917, and the median income for a family was $43,125. Males had a median income of $30,208 versus $19,688 for females. The per capita income for the town was $14,897. About 6.4% of families and 8.4% of the population were below the poverty line, including 7.9% of those under age 18 and 26.3% of those age 65 or over.