Ranked 7 of 15 states · median $725/mo · CMS PY2026
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A 40-year-old engineer in South Dakota pays a median $725/month for a Silver plan before subsidies — 7th of 15 on cost. The cheapest plan in the state is $512 from Avera in Lincoln. On counties covered, South Dakota ranks 13 of 15 for this occupation.
Work that crosses county and state lines makes network geography the binding constraint. A cheap HMO that only contracts in one metro is worthless 200 miles away, so these pages rank states by network reach and flag the ones with no PPO on the exchange at all.
Occupational context: Sedentary strain; site-visit exposure depending on discipline.
Worth being clear about what this does and does not affect: a carrier in South Dakota cannot ask what you do for a living, cannot charge a engineer more than a librarian of the same age in the same ZIP, and cannot exclude anything you were already treated for. Occupation only tells you which plan structure to shop for.
Premium is set by rating area, so a engineer in one South Dakota county can pay materially more than one an hour away. Six counties from across the state, cheapest Silver plan for a 40-year-old:
| County | Cheapest Silver @40 | Issuer | Deductible | Carriers |
|---|---|---|---|---|
| Corson | $679 | Sanford | $6,000 | 3 |
| Hamlin | $679 | Sanford | $6,000 | 3 |
| Walworth | $679 | Sanford | $6,000 | 3 |
| Gregory | $702 | Avera | $6,000 | 2 |
| Sanborn | $702 | Avera | $6,000 | 2 |
| Fall River | $761 | Wellmark of South Dakota | $5,000 | 3 |
The spread across just these six is $82/month — $981 a year for the same metal tier. Statewide the range runs $512 to $882. Coverage by County publishes all 66 South Dakota counties individually.
| South Dakota — network reach | 2026 |
|---|---|
| Counties in the state | 66 |
| Counties with only one carrier | 0 (0%) |
| Plan types available | EPO, HMO, PPO |
| PPO available on exchange | Yes |
| Carriers filing in the state | 3 |
| Cheapest Silver @40 | $512 — Lincoln |
South Dakota has PPO plans available. For a engineer covering distance, that single fact outweighs premium: 0 of 66 counties here are served by one carrier, so an HMO bought in one metro may leave you out of network for the rest of your route.
Source: CMS Plan Year 2026 Qualified Health Plan Landscape file. 1,822 plan records across 66 South Dakota counties. Full-price filed rates before premium tax credits — verify at enrollment.
Cheaper for the same coverage: Alabama ($680), Wisconsin ($687), Michigan ($708). More expensive: Oklahoma ($731), Kansas ($765), Florida ($789).
Side-by-side: South Dakota vs Wisconsin · South Dakota vs Michigan · South Dakota vs Oklahoma · South Dakota vs Kansas
Read the comparison as context, not as a shopping list. Your county of residence determines what you can buy, and for a engineer that is fixed unless you relocate. Where it is actionable is a move already in progress — that is a qualifying life event, and you have 60 days on either side of it.
Expense categories that typically apply to this trade: PE licensing, software, professional dues, site travel. Premiums are generally deductible above the line under IRC §162(l) when no employer plan is available to you or your spouse — a question for your CPA, not your agent.
If your household income is above the subsidy range, ACA is not automatically the answer. There are other categories of coverage that may fit, and they work very differently. That is a conversation, not a web page.
The cheapest Silver plan for a 40-year-old in South Dakota is $512 per month from Avera, with a state median of $725. Both figures are full price before premium tax credits; most buyers pay less after subsidies.
No. Under the ACA, carriers cannot rate, decline, or exclude based on occupation or health history. Rates vary only by age, ZIP code, tobacco use and household size.
Yes. Plan types filed for 2026: EPO, HMO, PPO.
South Dakota ranks 7 of 15 states covered here, at a median $725 per month. Indiana is cheapest at $558 and Nebraska is most expensive at $875.
Above the cliff. At this income a single-person household receives no premium tax credit for 2026 and pays the full premium.
This occupation is above the cliff in all 21 states reported.
What this figure is. It is the median annual wage BLS reports for Industrial Engineers (SOC 17-2112) in South Dakota. BLS surveys wage and salary workers and excludes the self-employed, so it is a benchmark for the occupation in this state — not the income of a self-employed engineer. Premium tax credit eligibility is set by household modified adjusted gross income and household size, not by occupation, so treat this as a reference point rather than a determination of what you qualify for.
Why the cliff is back. The enhanced premium tax credits expired on 31 December 2025. For plan year 2026 the 400% FPL limit applies again, so household income above $62,600 ends premium tax credit eligibility outright.
This page compares states. For South Dakota specifically — county-by-county carriers, plan data and enrollment help — I publish that on Coverage by County, including a page written for Engineers in South Dakota and a blog covering deductibles, subsidies and special enrollment.
The South Dakota market currently runs to 3 carriers over 66 counties. Carriers re-file every year, and for Engineers the question that actually decides your renewal is which of them are still there in November.
On price the only honest number today is national: the Peterson-KFF read of 2027 filings puts the median proposed rise near 15%, spanning −1% to 54%. Final South Dakota rates are not approved, so any precise 2027 figure quoted for this state is guesswork.
Mark November 1, 2026 to open and December 15 to act. That second date guarantees cover from January 1 in South Dakota regardless of how the current litigation over the enrollment window resolves.
All 66 counties in South Dakota sell a PPO, which is unusual and useful. For an engineer covering ground, it is the plan type that travels best.
Nothing about 2027 is urgent yet, which is exactly why it is worth ten minutes now. Come November you will be choosing between South Dakota’s carriers under a deadline; today you can do it without one.
Give me a ZIP and I will tell you three things:
Rates for Engineers in South Dakota are set by county, not by occupation. Start with your ZIP and I will show you the plans actually filed where you live.