Lesterville is located at (43.038725, -97.592225).
There were 63 households out of which 36.5% had children under the age of 18 living with them, 58.7% were married couples living together, 7.9% had a female householder with no husband present, and 27.0% were non-families. 23.8% of all households were made up of individuals and 14.3% had someone living alone who was 65 years of age or older. The average household size was 2.51 and the average family size was 2.98.
In the town the population was spread out with 29.1% under the age of 18, 2.5% from 18 to 24, 28.5% from 25 to 44, 20.9% from 45 to 64, and 19.0% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 107.9 males. For every 100 females age 18 and over, there were 100.0 males.
The median income for a household in the town was $41,667, and the median income for a family was $45,833. Males had a median income of $24,464 versus $17,813 for females. The per capita income for the town was $15,487. None of the families and 3.4% of the population were living below the poverty line, including no under eighteens and 18.2% of those over 64.