Updated July 2, 2026
Iowa consistently ranks among the lower-cost states for Medigap coverage. Plan G here averages around $130 per month, which puts it noticeably below the national median.
Iowa's Medigap market
Federal standardization means every Plan G in Iowa covers the same things, no matter which insurer you buy from. Part B excess charges, foreign travel emergencies, skilled nursing coinsurance: the list is fixed. What varies is the monthly premium, and in Iowa that variance is real. Even within a low-cost state, two carriers can quote the same 65-year-old $20 or $25 apart. Iowa follows standard federal Medigap rules, so there are no state-level modifications to the product itself. The plan comparison breaks down every letter plan, and the Medigap cost calculator gives you an age-based estimate to start from.
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Things to Know About Medigap Enrollment in Iowa
Your enrollment window is 6 months. It opens the month your Part B starts, and during that period Iowa insurers cannot turn you down or adjust your rate for medical reasons. Miss the window and they can underwrite: meaning a health condition discovered after enrollment could affect your options. The open enrollment calculator shows exactly when your window opens and closes. If you are still deciding between a Medicare Supplement and a Medicare Advantage plan, the Medigap vs Advantage calculator compares expected annual costs for both.
FAQs
How much does Medigap Plan G cost in Iowa?
Plan G premiums in Iowa run around $130 a month for most new enrollees, though your exact rate depends on your age, sex, tobacco use and the insurer you choose.
Can I switch Medigap plans later if I start in Iowa?
You can apply to switch carriers or plan letters at any time, but outside a guaranteed-issue event most insurers in Iowa will medically underwrite that new application.