Eden
- County:
- Marshall County
- County Seat:
- No
- Area (mi²):
- 34.85
- State:
- South Dakota
Eden is located in Marshall County, South Dakota. Eden has a 2025 population of 176 . Eden is currently declining at a rate of -0.56% annually but its population has increased by 0.57% since the most recent census, which recorded a population of 175 in 2020.
The median age in Eden is 31.1 years: 31.6 years for males, and 29.4 years for females. For every 100 females there are 111.6 males.