South Dakota has 37 Medicare plans for 2027 across 66 counties, including 15 Medicare Advantage plans, 7 Special Needs Plans, 9 drug plans and 6 other plans.
At a glance
- Medicare Advantage premiums: 5 of 15 Medicare Advantage plans have a $0 monthly premium. The highest is $296 a month.
- Drug plan premiums: $5.30 to $222.90 a month.
- Star ratings: 23 of 35 rated plans have 4 stars or more.
- Most plans by county: Lincoln (30), McCook (30) and Minnehaha (30).
- Fewest plans by county: Bennett (15), Brule (15) and Buffalo (15).
Each plan is counted once, even if it is offered in several areas. Premiums don't include the Medicare Part B premium, which most people pay as well.