
Dallas
- County:
- Gregory County
- County Seat:
- No
- Area (mi²):
- 0.507
- State:
- South Dakota
Dallas is a town located in Gregory County, South Dakota. Dallas has a 2025 population of 83. Dallas is currently declining at a rate of -1.19% annually and its population has decreased by -4.6% since the most recent census, which recorded a population of 87 in 2020.
The average household income in Dallas is $58,038 with a poverty rate of 2.94%. The median age in Dallas is 48.5 years: 48.4 years for males, and 49.5 years for females.