thumb|Buried machinery in barn lot, due to [[Dust Bowl conditions. Dallas, South Dakota, May 1936]]
Dallas is a town in Gregory County, South Dakota, United States. The population was 89 at the 2020 census.
History
Dallas was platted in 1907. A post office called Dallas was established in 1904, and remained in operation until it was discontinued in 1973. The town was named after Dallas, Texas.
Geography
Dallas is located in western Gregory County along U.S. Route 18, four miles west of Gregory. Ponca Creek flows past, approximately one mile south of the community.
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 120 people, 48 households, and 33 families residing in the town. The population density was . There were 74 housing units at an average density of . The racial makeup of the town was 85.0% White, 7.5% Native American, 0.8% Asian, 1.7% from other races, and 5.0% from two or more races. Hispanic or Latino of any race were 5.0% of the population.
There were 48 households, of which 27.1% had children under the age of 18 living with them, 50.0% were married couples living together, 10.4% had a female householder with no husband present, 8.3% had a male householder with no wife present, and 31.3% were non-families. 27.1% of all households were made up of individuals, and 12.6% had someone living alone who was 65 years of age or older. The average household size was 2.50 and the average family size was 3.03.
The median age in the town was 46.5 years. 23.3% of residents were under the age of 18; 7.5% were between the ages of 18 and 24; 18.3% were from 25 to 44; 33.4% were from 45 to 64; and 17.5% were 65 years of age or older. The gender makeup of the town was 53.3% male and 46.7% female.
2000 census
As of the census