Wentworth is an incorporated village in Lake County, South Dakota, United States.
History
Wentworth was platted in 1881, and named for the local Wentworth family, the original owner of the town site. It is known for being the mailing address of the cabins and vacation homes around Lake Madison, South Dakota.
Geography
According to the United States Census Bureau, the village has a total area of , all land.
The town is near Milwaukee Lake.
Demographics
2020 census
As of the census of 2020, there were 181 people, 74 households, and 63 families residing in the village. The population density was 603.3 inhabitants per square mile (232.8/km<sup>2</sup>).
2010 census
As of the census of 2010, there were 171 people, 75 households, and 46 families residing in the village. The population density was . There were 86 housing units at an average density of . The racial makeup of the village was 99.4% White and 0.6% Native American. Hispanic or Latino of any race were 0.6% of the population.
There were 75 households, out of which 21.3% had children under the age of 18 living with them, 45.3% were married couples living together, 13.3% had a female householder with no husband present, 2.7% had a male householder with no wife present, and 38.7% were non-families. 33.3% of all households were made up of individuals, and 9.3% had someone living alone who was 65 years of age or older. The average household size was 2.28 and the average family size was 2.96.
The median age in the village was 41.4 years. 23.4% of residents were under the age of 18; 5.8% were between the ages of 18 and 24; 27.5% were from 25 to 44; 30.4% were from 45 to 64; and 12.9% were 65 years of age or older. The gender makeup of the village was 49.7% male and 50.3% female.
2000 census
As of the census