Iowa health insurers have filed proposed rate increases for Affordable Care Act plans in 2027 that would affect thousands of residents who buy coverage through the marketplace. The filings come after carriers raised rates sharply for 2026 and as enhanced federal tax credits that helped lower consumer costs have been scaled back.
Why insurers say premiums must rise
Insurers point to several interlocking pressures: the expiration of enhanced tax credits that the federal government paid directly to carriers, continued growth in medical and prescription costs, fewer people remaining in the individual market and the departure of at least one carrier that has served Iowa consumers.
"One of the big policy areas that insurers are flagging is the expiration of the enhanced tax credits," said Natasha Murphy, director of health policy at the Center for American Progress.
Murphy told reporters that carriers that have proposed double-digit increases highlighted those credits’ end and a shrinking enrollee pool as major reasons. As healthier people find coverage unaffordable and exit the market, the remaining pool tends to be sicker and more expensive to cover, she said.
Numbers and immediate local impact
Last year, insurers in Iowa increased ACA-marketplace premiums by an average of 15.3% statewide. For 2027, proposals vary by company; for example, Iowa’s largest insurer, Wellmark Blue Cross and Blue Shield, has asked for an average 5% increase for its marketplace plans.
| Item | Figure |
|---|---|
| Average 2026 premium increase (Iowa) | 15.3% |
| Wellmark proposed 2027 increase | 5% |
| Estimated Iowans losing coverage due to Medica exit | ~4,000 |
| Share who dropped coverage after credits expired (Feb.) | Nearly 1 in 5 |
Medica, a regional carrier, plans to stop offering individual market coverage in Iowa beginning Nov. 1, a move that the policy expert said will leave nearly 4,000 Iowans scrambling for new plans.
What this means for people shopping coverage
Consumers could see higher sticker prices next year if regulators approve these requests. The expiration of enhanced tax credits means federal assistance that once reduced monthly premiums is smaller for many households, raising out-of-pocket costs for people who rely on marketplace plans.
Practical considerations for Iowans who buy their own coverage include:
- Comparing plan premiums and out-of-pocket costs when open enrollment begins;
- Checking whether they qualify for income-based tax credits that can still lower costs; and
- Monitoring insurer participation in their county, especially where carriers are withdrawing.
State regulators will review the proposed rate filings before any increases take effect. That review process provides opportunities for public comment and for state staff to request more detailed financial justifications from insurers. How large final increases will be — and how many consumers will change or drop coverage — depends on those regulatory decisions and whether federal policy changes alter the subsidy landscape again.
For many Iowans, the combination of rising premiums, higher prescription costs and reduced subsidies increases the risk that coverage will be unaffordable. Local health advocates and policy analysts say the immediate worry is whether shrinking enrollment and market exits will push prices further upward in coming years.
