Head-to-head, from CMS Plan Year 2026 data.
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South Dakota is the cheaper of the two: a 40-year-old pays about $725/month for the median Silver plan, versus $875 — a difference of $151/month (21%) before subsidies.
| South Dakota | Nebraska | |
|---|---|---|
| Median Silver @40 | $725 | $875 |
| Cheapest Silver @40 | $512 | $640 |
| Most expensive county @40 | $882 | $1,460 |
| Age 27 | $420 | $525 |
| Age 60 | $1,087 | $1,359 |
| Carriers | 3 | 5 |
| Counties | 66 | 93 |
| 1-carrier counties | 0 | 0 |
| Plan types | EPO, HMO, PPO | EPO, PPO |
Source: CMS Plan Year 2026 Qualified Health Plan Landscape. Full-price filed rates before premium tax credits; not a quote or an offer of coverage.
This page sets two states against each other. For county-by-county carriers, plan data and help actually enrolling, I publish a page for each state on Coverage by County: South Dakota or Nebraska. There is also a blog covering deductibles, subsidies and special enrollment periods.
Change the age or income and both states recalculate: the 2027 marketplace price after any tax credit, and the private plan estimate.
| Monthly, age 45, $85,000 | South Dakota | Nebraska |
|---|---|---|
| Marketplace benchmark Silver, full price | $815 | $911 |
| Tax credit | none | none |
| You pay for the benchmark plan | $815 | $911 |
| Private plan estimate (low end: no deductible) | $255–$485 | $350–$505 |
At 45 on $85,000, the benchmark plan costs $1,158 a year more in Nebraska than in South Dakota, at full price in both, since that income is over the tax-credit line.
2027 estimates: KFF 2026 benchmark raised by each state’s average 2027 change, on the federal age curve; 2027 tax credit rules. Your county will differ. Every state at once: what you would pay in each state.
Put your ZIP code in and a licensed agent will show you the carriers filing in your county, what the cheapest plan costs, and what you would actually pay after any help you qualify for. No cost, and you talk to a licensed agent — not a call center.
A South Dakota-to-Nebraska move triggers a 60-day special enrollment period, so the 5 carriers filing in Nebraska are open to you outside the usual window. The catch is on both ends — you normally need to have carried qualifying coverage for a day or more in the 60 days before moving, and moves made for treatment or travel are excluded.
Your plan will not come with you. Marketplace coverage is sold state by state, so the South Dakota policy ends and a Nebraska application begins — new network, new premium, even if the name on the card stays the same.
No insurer spans both. South Dakota has 3 carriers filing, Nebraska has a separate 5, so a move means a new company as well as a new plan.
PPO coverage is patchy: 66 of 66 South Dakota counties and 34 of 93 in Nebraska. Because the PPO is the type most likely to pay out of network, whether one is sold in your particular county matters more here than either state average.
You cannot carry one plan in South Dakota and a second in Nebraska. Eligibility follows primary residence, the address on your return, and everything received in the other state is normally out of network.
Neither South Dakota nor Nebraska has one price. Enter a ZIP and a licensed agent will pull the plans in that county and work out what help you qualify for.
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