Eden township
- County:
- Marshall County
- County Seat:
- No
- Area (mi²):
- 34.85
- State:
- South Dakota
Eden township is located in Marshall County, South Dakota. Eden township has a 2026 population of 176. Eden township 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 household income in Eden township is $130,556 with a poverty rate of 0%. The median age in Eden township is 47.4 years: 38.7 years for males, and 49.1 years for females. For every 100 females there are 117.6 males.