Ipswich
- County:
- Edmunds County
- County Seat:
- No
- Area (mi²):
- 35.07
- State:
- South Dakota
Ipswich is located in Edmunds County, South Dakota. Ipswich has a 2025 population of 95. Ipswich is currently declining at a rate of -1.04% annually but its population has increased by 1.06% since the most recent census, which recorded a population of 94 in 2020.
The median age in Ipswich is 63.5 years: 0 years for males, and 0 years for females.