Isabel is a town in Dewey County, South Dakota, United States. The population was 145 at the 2020 census.
Isabel was laid out in 1910, and named in honor of a certain railroad employee's daughter.
Geography
According to the United States Census Bureau, the town has a total area of , all land.
Demographics
2010 census
As of the census of 2010, there were 135 people, 55 households, and 38 families residing in the town. The population density was . There were 69 housing units at an average density of . The racial makeup of the town was 75.6% White, 23.0% Native American, and 1.5% from two or more races.
There were 55 households, of which 29.1% had children under the age of 18 living with them, 47.3% were married couples living together, 14.5% had a female householder with no husband present, 7.3% had a male householder with no wife present, and 30.9% were non-families. 27.3% of all households were made up of individuals, and 23.7% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.95.
The median age in the town was 46.5 years. 20.7% of residents were under the age of 18; 8.9% were between the ages of 18 and 24; 17.8% were from 25 to 44; 24.5% were from 45 to 64; and 28.1% were 65 years of age or older. The gender makeup of the town was 44.4% male and 55.6% female.
2000 census
As of the census