Cross Plains
- County:
- Hutchinson County
- County Seat:
- No
- Area (mi²):
- 29.332
- State:
- South Dakota
Cross Plains is located in Hutchinson County, South Dakota. Cross Plains has a 2025 population of 128 . Cross Plains is currently declining at a rate of -0.78% annually but its population has increased by 0.79% since the most recent census, which recorded a population of 127 in 2020.
The median age in Cross Plains is 4.8 years: 4.7 years for males, and 26.1 years for females. For every 100 females there are 65.9 males.